Table 2 Associations between systematic review characteristics and conclusions for women aged 50–69
Characteristics | Number of conclusions | Proportion of favourable conclusions (%) | p value (chi-square test) |
|---|---|---|---|
Corresponding author | |||
Non-clinical | 11 | 3 (27%) | |
Clinical | 9 | 7 (78%) | |
p = 0.025; χ 2 = 5.05 | |||
Competing interests | |||
Declared none | 10 | 2 (20%) | |
No statement | 6 | 4 (67%) | |
Declared | 4 | 4 (100%) | |
p = 0.016; χ 2 = 8.27 | |||
Type of evidence | |||
RCT only | 5 | 1 (20%) | |
RCT and non-RCT | 8 | 4 (50%) | |
Non-RCT only | 6 | 4 (67%) | |
Cost-effectiveness | 1 | 1 (100%) | |
p = 0.325; χ 2 = 3.47 | |||
Outcome measures | |||
Did not include harms | 9 | 6 (67%) | |
Included harms or over-diagnosis | 11 | 4 (36%) | |
p = 0.178; χ 2 = 1.81 | |||
Meta-analysis | |||
Yes | 7 | 2 (29%) | |
No | 13 | 8 (62%) | |
p = 0.160; χ 2 = 1.98 | |||