Quality assessment | No of patients | Effect | Quality | Importance | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
No. of studies | Design | Risk of bias | Inconsistency | Indirectness | Imprecision | Other considerations | Ab prophylaxis versus none | Control | Relative (95 % CI) | Absolute | ||
Puerperal fever | ||||||||||||
1 | observational studies | very seriousa | no serious inconsistency | no serious indirectness | seriousb | none | 58/65 (89.2 %) | 213/237 (89.9 %) | OR 0.93 (0.38 to 2.27) | 7 fewer per 1000 (from 127 fewer to 54 more) | ⊕ΟΟΟ VERY LOW | CRITICAL |
89.9 % | 7 fewer per 1000 (from 127 fewer to 54 more) | |||||||||||
Endometritis | ||||||||||||
3 | observational studies | very seriousa | no serious inconsistency | no serious indirectness | seriousb | none | 8/156 (5.1 %) | 31/411 (7.5 %) | OR 0.84 (0.38 to 1.85) | 11 fewer per 1000 (from 45 fewer to 56 more) | ⊕ΟΟΟ VERY LOW | CRITICAL |
7.1 % | 11 fewer per 1000 (from 43 fewer to 53 more) |