Table 142

Appropriate statistical method according to the type of data

Dependent variable

Independent variables

Continuous

Categorical

Combined t a

Continuous

Categorical

Time to event

Parametric

Nonparametric

Parametric

Nonparametric

Parametric Nonparametric

Linear regression Correlation coefficient (r) Kernel regression Loess

Logistic regression Poisson regression

Parametric regression

Cox proportional hazards regression t-test ANOVA

Wilcoxon rank sum test Kruskal-Wallis test Likelihood ratio

CMH test or trend test Chi-squared test Likelihood ratio Cox-Mantel test Log rank test

Linear regression ANCOVA Kernel regression LOESS

Logistic regression Poisson regression

Parametric regression

Cox proportional hazards regression

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