Supplementary Table 2.
GRADE quality of evidence
| Number of studies (design) | Limitation | Inconsistency | Indirection | Imprecision | Outcome (95% CI) | Quality |
|---|---|---|---|---|---|---|
| Blood transfusion following TURP procedure (5 RCTs) | No serious limitation | No serious inconsistency | No serious indirectness | No serious imprecision | OR: 0.68 (0.34–1.34) | ⨁⨁⨁⨁ High |
| Blood loss during TURP procedure (3 RCTs) | Includes two non-blinded studies, high heterogeneity | Serious inconsistency | Serious indirectness | No serious imprecision | Mean difference: −127.03 (−233.11–−20.95) | ⨁⨁ Low |
| Hb change following TURP procedure (6 RCTs) | No serious limitation | No serious inconsistency | Serious indirectness | Serious imprecision | Mean difference: −0.53 (−0.84–−0.22) | ⨁⨁⨁ Moderate |
| Operative time during TURP procedure (6 RCTs) | High heterogeneity | Serious inconsistency | No serious indirectness | No serious imprecision | Mean difference: −11.68 (−26.31–−2.96) | ⨁⨁⨁ Moderate |
| Length of hospitalization (4 RCTs) | No serious limitation | No serious inconsistency | No serious indirectness | No serious imprecision | Mean difference: 0.05 (−0.12–0.21) | ⨁⨁⨁⨁ High |
OR=Odds ratio, CI=Confidence interval, TURP=Transurethral resection of the prostate, RCTs=Randomized controlled trials, Hb=Hemoglobin