Trials (n = 152) | |
---|---|
Recruiters blinded? – number (%) | |
No | 1 (1) |
Yes | 2 (1) |
Not stated | 149 (98) |
Used simple or restricted randomisation? – number (%) | |
Simple randomisation | 4 (3) |
Restricted randomisation | 95 (63) |
Not stated | 53 (35) |
Type of restricted randomisation used – number (%) | |
Permuted block | 72/95 (76) |
Minimisation | 21/95 (22) |
Other | 2/95 (2) |
Balanced for prognostic factors after restricted randomisation? – number (%) | |
No | 42/95 (44) |
Yes | 53/95 (56) |
Randomisation stratified by site of recruitment? – number (%) | |
No | 41 (27) |
Yes | 67 (44) |
Not stated | 44 (29) |