Table 5.
Accounted for clusteringa | Total | ||
---|---|---|---|
Primary Analysis | Yes | No | N (%) |
N (%) | N (%) | ||
Individual level: | |||
Basic inferential test/GLM | 7 (32) | 15 (68) | 22 (26) |
GEE | 14 (100) | 0 (0) | 14 (16) |
Mixed model | 43 (96) | 2 (4)b | 45 (52) |
Otherc | 0 (0) | 1 (100) | 1 (1) |
Cluster level: | |||
Basic inferential test/GLM | 4 (100) | 0 (0) | 4 (5) |
Abbreviations: GLM, generalized linear model; GEE, generalized estimating equation
aThe denominator is the total number of trials performing respective primary analysis
bOne trial was unclear
cTrial used a descriptive analysis as primary analysis