From: Partial versus early full weight bearing after uncemented total hip arthroplasty: a meta-analysis
Quality assessment for non-randomized trials | Rao et al. 1998 [11] | Woolson and Adler 2002 [21] | Chan et al. 2003 [15] |
---|---|---|---|
A clearly stated aim | 2 | 2 | 2 |
Inclusion of consecutive patients | 1 | 2 | 2 |
Prospective data collection | 2 | 2 | 2 |
Endpoints appropriate to the aim of the study | 1 | 1 | 1 |
Unbiased assessment of the study endpoint | 0 | 0 | 0 |
A follow-up period appropriate to the aims of study | 2 | 2 | 2 |
Less than 5% loss to follow-up | 2 | 2 | 2 |
Prospective calculation of the sample size | 0 | 0 | 0 |
An adequate control group | 2 | 1 | 2 |
Contemporary groups | 1 | 0 | 1 |
Baseline equivalence of groups | 2 | 2 | 2 |
Adequate statistical analyses | 2 | 2 | 2 |
Total score | 17 | 16 | 18 |