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Table 2 Summary of findings

From: Complications and health-related quality of life after robot-assisted versus open radical cystectomy: a systematic review and meta-analysis of four RCTs

Quality assessment No. of patients Effect Quality Importance
No. of studies Study design Risk of bias Inconsistency Indirectness Imprecision Other considerations Open Robot-assisted radical cystectomy Relative (95% CI) Absolute (95% CI)
Number of patients with complications within 90 days
2 Randomized trials Seriousa Not serious Not serious Seriousb None 48/80 (60.0%) 52/78 (66.7%) RR 0.90 (0.71 to 1.14) 67 fewer per 1.000 (from 93 more to 193 fewer)
Low
 
Grade 3–5 complications 90 days (total complications grade 2–5)
2 Randomized trials Seriousa Not serious Not serious Seriousb None 22/58 (37.9%) 18/51 (35.3%) RR 1.04 (0.64 to 1.71) 14 more per 1.000 (from 127 fewer to 251 more)
Low
 
Number of grade 3–5 complications within 30 days
3 Randomized trials Seriousa Not serious Not serious Seriousc None 13/28 (46.4%) 11/23 (47.8%) RR 1.07 (0.61 to 1.87) 33 more per 1.000 (from 187 fewer to 416 more)
Low
 
Length of stay
3 Randomized trials Not serious Not serious Not serious Seriousd None 100 98 MD 0.2 lower (1.54 lower to 1.14 higher)
Moderate
 
Number of patients with complications within 30 days
3 Randomized trials Seriousa Not serious Not serious Seriousc None 23/61 (37.7%) 29/60 (48.3%) RR 0.78 (0.53 to 1.16) 106 fewer per 1.000 (from 77 more to 227 fewer)
Low
 
Time back to work or habitual activity
0        0 0 see comment  
  1. CI confidence interval, RR risk ratio, MD mean difference
  2. aIncomplete reporting of complications according to the Clavien-Dindo Classification
  3. bSmall sample size in one of the studies
  4. cNumber of events and sample sizes are very small
  5. dSmall sample sizes in two of the studies