Table 2 Comparison of inclusion of randomisation variables in subsequent analysis for the different randomisation methods
Study Characteristics | No covariates in analysis (n = 71) | A covariate included in analysis (n = 212) | Total | |
|---|---|---|---|---|
Allocation method a | No randomisation covariates (Simple/Block) | - | - | 53 |
Stratified (Centre only) | 32 (45) | 26 (12) | 58 | |
Stratified | 30 (43) | 140 (66) | 170 | |
Minimised | 8 (11) | 41 (19) | 49 | |
Stratified and Minimised | 1 (1) | 5 (3) | 6 | |