Certainty assessment | Summary of findings | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Participants (studies) Follow up | Risk of bias | Inconsistency | Indirectness | Imprecision | Publication bias | Overall certainty of evidence | Study event rates (%) | Relative effect (95% CI) | Anticipated absolute effects | ||
With sham therapy or blank control | With SGB | Risk with sham therapy or blank control | Risk difference with SGB | ||||||||
Postoperative flatus time (Scale from: 0 to 100) | |||||||||||
274 (5 RCTs) | Not serious a | Seriousb | Not serious | Not serious c | Noned | ⨁⨁⨁◯ Moderate | 146 | 128 | – | The mean postoperative flatus time was 146 h | MD 15.07 h lower (27.58 lower to 2.56 lower) |