This code system http://terminology.hl7.org/CodeSystem/statistic-model-code defines the following codes:

Code Display Definition
oneTailedTest one-tailed test (1 threshold) Used for one-tailed test (1 threshold), no additional elements needed
twoTailedTest two-tailed test (2 thresholds) Used for two-tailed test (2 threshold), no additional elements needed
zTest z-test Used for z-test, no additional elements needed
oneSampleTTest 1-sample t-test Used for 1-sample t-test, may be paired with "value" to express degrees of freedom
twoSampleTTest 2-sample t-test Used for 2-sample t-test, may be paired with "value" to express degrees of freedom
pairedTTest paired t-test Used for paired t-test, may be paired with "value" to express degrees of freedom
chiSquareTest Chi-square test Used for Chi-square test, may be paired with "value" to express degrees of freedom
chiSquareTestTrend Chi-square test for trend Used for Chi-square test for trend, may be paired with "value" to express degrees of freedom
pearsonCorrelation Pearson correlation Used for Pearson correlation, no additional elements needed
anova ANOVA (ANalysis Of VAriance) Used for ANOVA method of analysis, may be paired with "value" to express degrees of freedom
anovaOneWay one-way ANOVA Used for one-way ANOVA method of analysis, may be paired with "value" to express degrees of freedom
anovaTwoWay 2-way ANOVA without replication Used for 2-way ANOVA without replication method of analysis, may be paired with "value" to express degrees of freedom
anovaTwoWayReplication 2-way ANOVA with replication Used for 2-way ANOVA with replication method of analysis, may be paired with "value" to express degrees of freedom
manova multivariate ANOVA (MANOVA) Used for multivariate ANOVA (MANOVA) method of analysis, may be paired with "value" to express degrees of freedom
anovaThreeWay 3-way ANOVA Used for 3-way ANOVA method of analysis, may be paired with "value" to express degrees of freedom
signTest sign test Used for sign test, no additional elements needed
wilcoxonSignedRankTest Wilcoxon signed-rank test Used for Wilcoxon signed-rank test, no additional elements needed
wilcoxonRankSumTest Wilcoxon rank-sum test Used for Wilcoxon rank-sum test, no additional elements needed
mannWhitneyUTest Mann-Whitney U test Used for Mann-Whitney U test, no additional elements needed
fishersExactTest Fisher’s exact test Used for Fisher's exact test, may be paired with "value" to express degrees of freedom
mcnemarsTest McNemar’s test Used for McNemar's test, no additional elements needed
kruskalWallisTest Kruskal Wallis test Used for Kruskal Wallis test, may be paired with "value" to express degrees of freedom
spearmanCorrelation Spearman correlation Used for Spearman correlation, no additional elements needed
kendallCorrelation Kendall correlation Used for Kendall correlation, no additional elements needed
friedmanTest Friedman test Used for Friedman test, no additional elements needed
goodmanKruskasGamma Goodman Kruska’s Gamma Used for Goodman Kruska’s Gamma, no additional elements needed
glm GLM (Generalized Linear Model) Used for GLM (Generalized Linear Model), no additional elements needed
glmProbit GLM with probit link Used for GLM with probit link, no additional elements needed
glmLogit GLM with logit link Used for GLM with logit link, no additional elements needed
glmIdentity GLM with identity link Used for GLM with identity link, no additional elements needed
glmLog GLM with log link Used for GLM with log link, no additional elements needed
glmGeneralizedLogit GLM with generalized logit link Used for GLM with generalized logit link, no additional elements needed
glmm Generalized linear mixed model (GLMM) Used for Generalized linear mixed model (GLMM), no additional elements needed
glmmProbit GLMM with probit link Used for GLMM with probit link, no additional elements needed
glmmLogit GLMM with logit link Used for GLMM with logit link, no additional elements needed
glmmIdentity GLMM with identity link Used for GLMM with identity link, no additional elements needed
glmmLog GLMM with log link Used for GLMM with log link, no additional elements needed
glmmGeneralizedLogit GLMM with generalized logit link Used for GLMM with generalized logit link, no additional elements needed
linearRegression Linear Regression Used for linear regression method of analysis, no additional elements needed
logisticRegression Logistic Regression Used for logistic regression method of analysis, no additional elements needed
polynomialRegression Polynomial Regression Used for Polynomial regression method of analysis, no additional elements needed
coxProportionalHazards Cox Proportional Hazards Used for Cox proportional hazards method of analysis, no additional elements needed
binomialDistributionRegression Binomial Distribution for Regression Used for Binomial Distribution for Regression, no additional elements needed
multinomialDistributionRegression Multinomial Distribution for Regression Used for Multinomial Distribution for Regression, no additional elements needed
poissonRegression Poisson Regression Used for Poisson Regression, no additional elements needed
negativeBinomialRegression Negative Binomial Regression Used for Negative Binomial Regression, no additional elements needed
zeroCellConstant Zero-cell adjustment with constant Zero-cell adjustment done by adding a constant to all cells of affected studies, paired with "value" to define the constant
zeroCellContinuityCorrection Zero-cell adjustment with continuity correction Zero-cell adjustment done by treatment arm continuity correction, no additional elements needed
adjusted Adjusted analysis Used for adjusted analysis, paired with variable element(s)
interactionTerm Interaction term Used for interaction term, paired with "value" and two or more variable elements
manteHaenszelMethod Mantel-Haenszel method Used for Mantel-Haenszel method, no additional elements needed
metaAnalysis Meta-analysis Used for meta-analysis, no additional elements needed
inverseVariance Inverse variance method Used for inverse variance method of meta-analysis, no additional elements needed
petoMethod Peto method Used for Peto method of meta-analysis, no additional elements needed
hartungKnapp Hartung-Knapp adjustment Hartung-Knapp/Hartung-Knapp-Sidik-Jonkman adjustment used in meta-analysis, no additional elements needed
modifiedHartungKnapp Modified Hartung-Knapp adjustment Modified Hartung-Knapp/Hartung-Knapp-Sidik-Jonkman adjustment used in meta-analysis, no additional elements needed
effectsFixed Fixed-effects From a fixed-effects analysis, no additional elements needed
effectsRandom Random-effects From a random-effects analysis, no additional elements needed
chiSquareTestHomogeneity Chi-square test for homogeneity Used for Chi-square test for homogeneity, may be paired with "value" to express degrees of freedom
dersimonianLairdMethod Dersimonian-Laird method Used for Dersimonian-Laird method of tau estimation, no additional elements needed
pauleMandelMethod Paule-Mandel method Used for Paule-Mandel method of tau estimation, no additional elements needed
restrictedLikelihood Restricted Maximum Likelihood method Used for Restricted Maximum Likelihood method of tau estimation, no additional elements needed
maximumLikelihood Maximum Likelihood method Used for Maximum Likelihood method of tau estimation, no additional elements needed
empiricalBayes Empirical Bayes method Used for Empirical Bayes method of tau estimation, no additional elements needed
hunterSchmidt Hunter-Schmidt method Used for Hunter-Schmidt method of tau estimation, no additional elements needed
sidikJonkman Sidik-Jonkman method Used for Sidik-Jonkman method of tau estimation, no additional elements needed
hedgesMethod Hedges method Used for Hedges method of tau estimation, no additional elements needed
tauDersimonianLaird Dersimonian-Laird method Dersimonian-Laird method for tau squared
tauPauleMandel Paule-Mandel method Paule-Mandel method for tau squared
tauRestrictedMaximumLikelihood Restricted Maximum Likelihood method Restricted Maximum Likelihood method for tau squared
tauMaximumLikelihood Maximum Likelihood method Maximum Likelihood method for tau squared
tauEmpiricalBayes Empirical Bayes method Empirical Bayes method for tau squared
tauHunterSchmidt Hunter-Schmidt method Hunter-Schmidt method for tau squared
tauSidikJonkman Sidik-Jonkman method Sidik-Jonkman method for tau squared
tauHedges Hedges method Hedges method for tau squared
poolMantelHaenzsel Mantel-Haenszel method Mantel-Haenszel method for pooling in meta-analysis
poolInverseVariance Inverse variance method Inverse variance method for pooling in meta-analysis
poolPeto Peto method Peto method for pooling in meta-analysis
poolGeneralizedLinearMixedModel Generalized linear mixed model (GLMM) Generalized linear mixed model (GLMM) method for pooling in meta-analysis
<status value="draft"/><experimental value="false"/><date value="2021-08-05T12:00:00+11:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="The role that the assertion variable plays."/><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/statistic-model-code"/><content value="complete"/><concept><code value="oneTailedTest"/><display value="one-tailed test (1 threshold)"/><definition value="Used for one-tailed test (1 threshold), no additional elements needed"/></concept><concept><code value="twoTailedTest"/><display value="two-tailed test (2 thresholds)"/><definition value="Used for two-tailed test (2 threshold), no additional elements needed"/></concept><concept><code value="zTest"/><display value="z-test"/><definition value="Used for z-test, no additional elements needed"/></concept><concept><code value="oneSampleTTest"/><display value="1-sample t-test"/><definition value="Used for 1-sample t-test, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="twoSampleTTest"/><display value="2-sample t-test"/><definition value="Used for 2-sample t-test, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="pairedTTest"/><display value="paired t-test"/><definition value="Used for paired t-test, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="chiSquareTest"/><display value="Chi-square test"/><definition value="Used for Chi-square test, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="chiSquareTestTrend"/><display value="Chi-square test for trend"/><definition value="Used for Chi-square test for trend, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="pearsonCorrelation"/><display value="Pearson correlation"/><definition value="Used for Pearson correlation, no additional elements needed"/></concept><concept><code value="anova"/><display value="ANOVA (ANalysis Of VAriance)"/><definition value="Used for ANOVA method of analysis, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="anovaOneWay"/><display value="one-way ANOVA"/><definition value="Used for one-way ANOVA method of analysis, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="anovaTwoWay"/><display value="2-way ANOVA without replication"/><definition value="Used for 2-way ANOVA without replication method of analysis, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="anovaTwoWayReplication"/><display value="2-way ANOVA with replication"/><definition value="Used for 2-way ANOVA with replication method of analysis, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="manova"/><display value="multivariate ANOVA (MANOVA)"/><definition value="Used for multivariate ANOVA (MANOVA) method of analysis, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="anovaThreeWay"/><display value="3-way ANOVA"/><definition value="Used for 3-way ANOVA method of analysis, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="signTest"/><display value="sign test"/><definition value="Used for sign test, no additional elements needed"/></concept><concept><code value="wilcoxonSignedRankTest"/><display value="Wilcoxon signed-rank test"/><definition value="Used for Wilcoxon signed-rank test, no additional elements needed"/></concept><concept><code value="wilcoxonRankSumTest"/><display value="Wilcoxon rank-sum test"/><definition value="Used for Wilcoxon rank-sum test, no additional elements needed"/></concept><concept><code value="mannWhitneyUTest"/><display value="Mann-Whitney U test"/><definition value="Used for Mann-Whitney U test, no additional elements needed"/></concept><concept><code value="fishersExactTest"/><display value="Fisher’s exact test"/><definition value="Used for Fisher's exact test, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="mcnemarsTest"/><display value="McNemar’s test"/><definition value="Used for McNemar's test, no additional elements needed"/></concept><concept><code value="kruskalWallisTest"/><display value="Kruskal Wallis test"/><definition value="Used for Kruskal Wallis test, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="spearmanCorrelation"/><display value="Spearman correlation"/><definition value="Used for Spearman correlation, no additional elements needed"/></concept><concept><code value="kendallCorrelation"/><display value="Kendall correlation"/><definition value="Used for Kendall correlation, no additional elements needed"/></concept><concept><code value="friedmanTest"/><display value="Friedman test"/><definition value="Used for Friedman test, no additional elements needed"/></concept><concept><code value="goodmanKruskasGamma"/><display value="Goodman Kruska’s Gamma"/><definition value="Used for Goodman Kruska’s Gamma, no additional elements needed"/></concept><concept><code value="glm"/><display value="GLM (Generalized Linear Model)"/><definition value="Used for GLM (Generalized Linear Model), no additional elements needed"/></concept><concept><code value="glmProbit"/><display value="GLM with probit link"/><definition value="Used for GLM with probit link, no additional elements needed"/></concept><concept><code value="glmLogit"/><display value="GLM with logit link"/><definition value="Used for GLM with logit link, no additional elements needed"/></concept><concept><code value="glmIdentity"/><display value="GLM with identity link"/><definition value="Used for GLM with identity link, no additional elements needed"/></concept><concept><code value="glmLog"/><display value="GLM with log link"/><definition value="Used for GLM with log link, no additional elements needed"/></concept><concept><code value="glmGeneralizedLogit"/><display value="GLM with generalized logit link"/><definition value="Used for GLM with generalized logit link, no additional elements needed"/></concept><concept><code value="glmm"/><display value="Generalized linear mixed model (GLMM)"/><definition value="Used for Generalized linear mixed model (GLMM), no additional elements needed"/></concept><concept><code value="glmmProbit"/><display value="GLMM with probit link"/><definition value="Used for GLMM with probit link, no additional elements needed"/></concept><concept><code value="glmmLogit"/><display value="GLMM with logit link"/><definition value="Used for GLMM with logit link, no additional elements needed"/></concept><concept><code value="glmmIdentity"/><display value="GLMM with identity link"/><definition value="Used for GLMM with identity link, no additional elements needed"/></concept><concept><code value="glmmLog"/><display value="GLMM with log link"/><definition value="Used for GLMM with log link, no additional elements needed"/></concept><concept><code value="glmmGeneralizedLogit"/><display value="GLMM with generalized logit link"/><definition value="Used for GLMM with generalized logit link, no additional elements needed"/></concept><concept><code value="linearRegression"/><display value="Linear Regression"/><definition value="Used for linear regression method of analysis, no additional elements needed"/></concept><concept><code value="logisticRegression"/><display value="Logistic Regression"/><definition value="Used for logistic regression method of analysis, no additional elements needed"/></concept><concept><code value="polynomialRegression"/><display value="Polynomial Regression"/><definition value="Used for Polynomial regression method of analysis, no additional elements needed"/></concept><concept><code value="coxProportionalHazards"/><display value="Cox Proportional Hazards"/><definition value="Used for Cox proportional hazards method of analysis, no additional elements needed"/></concept><concept><code value="binomialDistributionRegression"/><display value="Binomial Distribution for Regression"/><definition value="Used for Binomial Distribution for Regression, no additional elements needed"/></concept><concept><code value="multinomialDistributionRegression"/><display value="Multinomial Distribution for Regression"/><definition value="Used for Multinomial Distribution for Regression, no additional elements needed"/></concept><concept><code value="poissonRegression"/><display value="Poisson Regression"/><definition value="Used for Poisson Regression, no additional elements needed"/></concept><concept><code value="negativeBinomialRegression"/><display value="Negative Binomial Regression"/><definition value="Used for Negative Binomial Regression, no additional elements needed"/></concept><concept><code value="zeroCellConstant"/><display value="Zero-cell adjustment with constant"/><definition value="Zero-cell adjustment done by adding a constant to all cells of affected studies, paired with "value" to define the constant"/></concept><concept><code value="zeroCellContinuityCorrection"/><display value="Zero-cell adjustment with continuity correction"/><definition value="Zero-cell adjustment done by treatment arm continuity correction, no additional elements needed"/></concept><concept><code value="adjusted"/><display value="Adjusted analysis"/><definition value="Used for adjusted analysis, paired with variable element(s)"/></concept><concept><code value="interactionTerm"/><display value="Interaction term"/><definition value="Used for interaction term, paired with "value" and two or more variable elements"/></concept><concept><code value="manteHaenszelMethod"/><display value="Mantel-Haenszel method"/><definition value="Used for Mantel-Haenszel method, no additional elements needed"/></concept><concept><code value="metaAnalysis"/><display value="Meta-analysis"/><definition value="Used for meta-analysis, no additional elements needed"/></concept><concept><code value="inverseVariance"/><display value="Inverse variance method"/><definition value="Used for inverse variance method of meta-analysis, no additional elements needed"/></concept><concept><code value="petoMethod"/><display value="Peto method"/><definition value="Used for Peto method of meta-analysis, no additional elements needed"/></concept><concept><code value="hartungKnapp"/><display value="Hartung-Knapp adjustment"/><definition value="Hartung-Knapp/Hartung-Knapp-Sidik-Jonkman adjustment used in meta-analysis, no additional elements needed"/></concept><concept><code value="modifiedHartungKnapp"/><display value="Modified Hartung-Knapp adjustment"/><definition value="Modified Hartung-Knapp/Hartung-Knapp-Sidik-Jonkman adjustment used in meta-analysis, no additional elements needed"/></concept><concept><code value="effectsFixed"/><display value="Fixed-effects"/><definition value="From a fixed-effects analysis, no additional elements needed"/></concept><concept><code value="effectsRandom"/><display value="Random-effects"/><definition value="From a random-effects analysis, no additional elements needed"/></concept><concept><code value="chiSquareTestHomogeneity"/><display value="Chi-square test for homogeneity"/><definition value="Used for Chi-square test for homogeneity, may be paired with "value" to express degrees of freedom"/></concept><concept><code value="dersimonianLairdMethod"/><display value="Dersimonian-Laird method"/><definition value="Used for Dersimonian-Laird method of tau estimation, no additional elements needed"/></concept><concept><code value="pauleMandelMethod"/><display value="Paule-Mandel method"/><definition value="Used for Paule-Mandel method of tau estimation, no additional elements needed"/></concept><concept><code value="restrictedLikelihood"/><display value="Restricted Maximum Likelihood method"/><definition value="Used for Restricted Maximum Likelihood method of tau estimation, no additional elements needed"/></concept><concept><code value="maximumLikelihood"/><display value="Maximum Likelihood method"/><definition value="Used for Maximum Likelihood method of tau estimation, no additional elements needed"/></concept><concept><code value="empiricalBayes"/><display value="Empirical Bayes method"/><definition value="Used for Empirical Bayes method of tau estimation, no additional elements needed"/></concept><concept><code value="hunterSchmidt"/><display value="Hunter-Schmidt method"/><definition value="Used for Hunter-Schmidt method of tau estimation, no additional elements needed"/></concept><concept><code value="sidikJonkman"/><display value="Sidik-Jonkman method"/><definition value="Used for Sidik-Jonkman method of tau estimation, no additional elements needed"/></concept><concept><code value="hedgesMethod"/><display value="Hedges method"/><definition value="Used for Hedges method of tau estimation, no additional elements needed"/></concept><concept><code value="tauDersimonianLaird"/><display value="Dersimonian-Laird method"/><definition value="Dersimonian-Laird method for tau squared"/></concept><concept><code value="tauPauleMandel"/><display value="Paule-Mandel method"/><definition value="Paule-Mandel method for tau squared"/></concept><concept><code value="tauRestrictedMaximumLikelihood"/><display value="Restricted Maximum Likelihood method"/><definition value="Restricted Maximum Likelihood method for tau squared"/></concept><concept><code value="tauMaximumLikelihood"/><display value="Maximum Likelihood method"/><definition value="Maximum Likelihood method for tau squared"/></concept><concept><code value="tauEmpiricalBayes"/><display value="Empirical Bayes method"/><definition value="Empirical Bayes method for tau squared"/></concept><concept><code value="tauHunterSchmidt"/><display value="Hunter-Schmidt method"/><definition value="Hunter-Schmidt method for tau squared"/></concept><concept><code value="tauSidikJonkman"/><display value="Sidik-Jonkman method"/><definition value="Sidik-Jonkman method for tau squared"/></concept><concept><code value="tauHedges"/><display value="Hedges method"/><definition value="Hedges method for tau squared"/></concept><concept><code value="poolMantelHaenzsel"/><display value="Mantel-Haenszel method"/><definition value="Mantel-Haenszel method for pooling in meta-analysis"/></concept><concept><code value="poolInverseVariance"/><display value="Inverse variance method"/><definition value="Inverse variance method for pooling in meta-analysis"/></concept><concept><code value="poolPeto"/><display value="Peto method"/><definition value="Peto method for pooling in meta-analysis"/></concept><concept><code value="poolGeneralizedLinearMixedModel"/><display value="Generalized linear mixed model (GLMM)"/><definition value="Generalized linear mixed model (GLMM) method for pooling in meta-analysis"/></concept></CodeSystem>