Overall (n = 69) | Comparison as randomized (n = 42) | Comparison not as randomized (n = 27) | |
---|---|---|---|
Number of citations relating to primary publication | |||
Cites protocol onlya | 6 (9%) | 1 (2%) | 5 (19%) |
Cites primary publication only | 33 (48%) | 21 (50%) | 12 (44%) |
Cites protocol and primary publication | 19 (27%) | 12 (29%) | 7 (26%) |
Cites multiple publications | 11 (16%) | 8 (19%) | 3 (11%) |
Identified main outcome of primary publication | |||
Reported | 27 (39%) | 20 (48%) | 7 (26%) |
Not reported | 42 (61%) | 22 (52%) | 20 (74%) |
Numerical results reported for main outcome of primary publication | |||
Reported | 4 (6%) | 4 (10%) | 0 |
Not reported | 65 (94%) | 38 (90%) | 27 (100%) |
Method of randomization | |||
Reported | 6 (9%) | 4 (10%) | 2 (7%) |
Not reported | 63 (91%) | 38 (90%) | 25 (93%) |