Table 2 Characteristics of methods publications addressing allocation bias directionality and mechanisms
From: Mechanisms and direction of allocation bias in randomised clinical trials
Publication characteristics | n (%) |
|---|---|
Total | 57 |
Publication type | |
Theoretical article | 33 (58 %) |
Meta-epidemiological study | 9 (16 %) |
Textbook | 12 (21 %) |
Editorial | 1 (2 %) |
Comment | 2 (3 %) |
Publication topic | |
Allocation bias primary aim | 32 (56 %) |
Other | 25 (44 %) |
Year of Publication | |
1975–1984 | 1 (2 %) |
1985–1994 | 3 (5 %) |
1995–2004 | 18 (32 %) |
2005–2014 | 35 (61 %) |