Outcomes | No. of participants (studies) followed up | Certainty of the evidence (GRADE) | Relative effect (95% CI) | Anticipated absolute effects | |
---|---|---|---|---|---|
Risk with open surgery | Risk difference with laparoscopic surgery | ||||
Catheter survival | 424 (5 RCTs) | ⨁⨁◯◯ lowa,b,c | RR 1.02 (0.92 to 1.13) | 770 per 1000 | 15 more per 1000 (62 fewer to 100 more) |
Complications of catheter placement (early complications: leakage) | 571 (7 RCTs) | ⨁◯◯◯ very lowa,c,d | RR 0.86 (0.25 to 3.02) | 81 per 1000 | 11 fewer per 1000 (61 fewer to 164 more) |
Complications of catheter placement (late complications: hernia) | 391 (4 RCTs) | ⨁◯◯◯ very lowc,e | RR 0.75 (0.21 to 2.72) | 31 per 1000 | 8 fewer per 1000 (24 fewer to 53 more) |
PD catheter-related infection (exit site infection and tunnel infection) | 262 (4 RCTs) | ⨁⨁◯◯ lowa,c | RR 0.99 (0.43 to 2.29) | 83 per 1000 | 1 fewer per 1000 (47 fewer to 107 more) |
Requirement for re-operation | 90 (1 RCT) | ⨁⨁⨁◯ moderatec | RR 0.96 (0.39 to 2.33) | 182 per 1000 | 7 fewer per 1000 (111 fewer to 242 more) |
Postoperative pain—the number of patients complaining of pain | 127 (2 RCTs) | ⨁◯◯◯ very lowf,g,h | RR 1.05 (0.80 to 1.39) | 446 per 1000 | 22 more per 1000 (89 fewer to 174 more) |
Postoperative pain—assessed by a pain scale | 45 (1 RCT) | ⨁◯◯◯ very lowf,g,i | – | The mean pain scale was 0 | MD 1 lower (2.24 lower to 0.24 higher) |
Hospitalization period associated with catheter placement | 212 (3 RCTs) | ⨁◯◯◯ very lowa,j,k | – | The mean hospitalization period associated with catheter insertion was 0 | MD 0.83 higher (0.04 higher to 1.61 higher) |
Catheter migration | 526 (6 RCTs) | ⨁⨁⨁◯ moderatea | RR 0.42 (0.18 to 0.96) | 120 per 1000 | 69 fewer per 1000 (98 fewer to 5 fewer) |
Catheter migration: limited to RCTs containing laparoscopic surgery without secured suture | 431 (4 RCTs) | ⨁⨁⨁◯ moderatea | RR 0.58 (0.27 to 1.25) | 103 per 1000 | 43 fewer per 1000 (75 fewer to 26 more) |
Catheter migration: limited to RCTs containing laparoscopic surgery with secured suture | 95 (2 RCTs) | ⨁⨁⨁◯ moderatea | RR 0.09 (0.01 to 0.68) | 200 per 1000 | 182 fewer per 1000 (198 fewer to 64 fewer) |