Outcomes | Anticipated absolute effects (95% CI) | Relative effect (95% CI) | No. of participants (studies) | Certainty of the evidence (Grade) | |
---|---|---|---|---|---|
Risk with open gastrectomy | Risk with laparoscopic gastrectomy | ||||
Postoperative serious adverse events | 27 per 1000 | 27 per 1.000 (14 to 55) | RR 1.0100 (0.5027 to 2.0471) | 1999 (4 RCTs) | ⨁⨁◯◯ Lowa |
Anastomotic leakage | 8 per 1000 | 15 per 1.000 (4 to 59) | RR 1.83 (0.47 to 7.04) | 1899 (4 RCTs) | ⨁◯◯◯ Very lowa, b, c |
Length of hospital stay | The mean length of hospital stay was 10.14 days | The mean length of hospital stay in the intervention group was 0.81 days fewer (2.58 fewer to 0.96 more) | – | (5 RCTs) | ⨁⨁◯◯ Lowa,d |
Incision-to-closure time | The mean incision-to-closure time was 19411 min | The mean incision-to-closure time in the intervention group was 49.1 min higher (17.29 higher to 80.91 higher) | – | (5 RCTs) | ⨁⨁⨁◯ Moderated |
Intraoperative blood loss | The mean intraoperative blood loss was 145.26 ml | The mean intraoperative blood loss in the intervention group was 42.38 ml fewer (98.73 fewer to 13.98 more) | – | (4 RCTs) | ⨁⨁◯◯ Lowa, d |
Harvested lymph nodes | The mean harvested lymph nodes was 34.64 | The mean harvested lymph nodes in the intervention group was 0.73 fewer (1.89 fewer to 0.43 more) | – | (5 RCTs) | ⨁⨁⨁⨁ High |