Cochrane · systematic review · CD010168
Abdominal drainage to prevent intra‐peritoneal abscess after appendectomy for complicated appendicitis
Li, Z, Li, Z, Zhao, L, et al. · Cochrane Database of Systematic Reviews · 2021 · Cochrane Library
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
8
current version
GRADE rated
5
No studies
3
Included studies
NR
No studies 3 · 37.5%Ungraded 0 · 0%Very low 2 · 25%Low 3 · 37.5%Moderate 0 · 0%High 0 · 0%
Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.
Questions and results
Current version onlyDrainage compared to no drainage after open appendectomy for complicated appendicitis
Population: people undergoing emergency open appendectomy for complicated appendicitis
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Intraperitoneal abscess Drainage vs no drainage after open appendectomy | RR 1.23 [0.47, 3.21] | 5 studies · 453 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Wound infection Drainage vs no drainage after open appendectomy | RR 2.01 [0.88, 4.56] | 5 studies · 478 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Morbidity Drainage vs no drainage after open appendectomy | RR 6.67 [2.13, 20.87] | 1 study · 90 participants | Low Downgraded: risk of bias, imprecision |
Mortality Drainage vs no drainage after open appendectomy | Peto OR 4.88 [1.18, 20.09] | 4 studies · 363 participants | Low Downgraded: risk of bias, imprecision |
Hospital stay (days) Drainage vs no drainage after open appendectomy | MD 2.17 | 3 studies · 298 participants | Low Downgraded: risk of bias, imprecision |
Hospital cost Drainage vs no drainage after open appendectomy | no estimate extracted | NR | No studies |
Pain Drainage vs no drainage after open appendectomy | no estimate extracted | NR | No studies |
Quality of life Drainage vs no drainage after open appendectomy | no estimate extracted | NR | No studies |
Drainage compared to no drainage for complicated appendicitis
Population: people undergoing emergency open appendectomy for complicated appendicitis
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Intra‐peritoneal abscess Drainage vs no drainage | RR 1.23 [0.47, 3.21] | 5 studies · 453 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Wound infection Drainage vs no drainage | RR 2.01 [0.88, 4.56] | 5 studies · 478 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Morbidity Drainage vs no drainage | RR 6.67 [2.13, 20.87] | 1 study · 90 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Mortality Drainage vs no drainage | Peto OR 4.88 [1.18, 20.09] | 4 studies · 363 participants | Moderate Downgraded: risk of bias, imprecision, inconsistency |
Hospital stay (days) Drainage vs no drainage | MD 2.17 | 3 studies · 298 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Hospital cost Drainage vs no drainage | no estimate extracted | NR | No studies |
Pain Drainage vs no drainage | no estimate extracted | NR | No studies |
Quality of life Drainage vs no drainage | no estimate extracted | NR | No studies |
Abdominal drainage to prevent intra‐peritoneal abscess after open appendectomy for complicated appendicitis
Population: patients undergoing emergency open appendectomy for complicated appendicitis
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Intra‐peritoneal abscess | RR 1.23 [0.47, 3.21] | 5 studies · 453 participants | Very low Downgraded: risk of bias, imprecision, inconsistency, publication bias |
Wound infection | RR 1.67 [0.75, 3.74] | 4 studies · 410 participants | Very low Downgraded: risk of bias, imprecision, inconsistency, publication bias |
Morbidity | RR 6.67 [2.13, 20.87] | 1 study · 90 participants | Very low Downgraded: risk of bias, imprecision, publication bias |
Mortality | Peto OR 4.88 [1.18, 20.09] | 4 studies · 363 participants | Very low Downgraded: risk of bias, imprecision, publication bias |
Hospital stay | no estimate extracted | 2 studies · 230 participants | Very low Downgraded: risk of bias, imprecision, publication bias |