Table 3.
Summary of outcome measures of three meta-analysis
| Study | Arm | Outcome measures | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Clinical leak | Radiological leak | Wound infection | Mortality | ||||||
| n/N | OR (95 % CI) |
n/N | OR (95 % CI) |
n/N | OR (95 % CI) |
n/N | OR (95 % CI) |
||
| Urbach [28] |
Drain | 20/223 | 1.47 (0.71, 3.06) |
17/174 | 1.01 (0.45, 2.26) |
26/223 | 1.70 (0.87, 3.3) |
14/223 | 1.38 (0.57, 3.31) |
| No drain | 12/188 | 11/131 | 15/188 | 8/188 | |||||
| Jesus [40] | Drain | 11/522 | 1.55 (0.61, 3.95) |
16/522 | 1.33 (0.29, 5.98) |
29/573 | 1.03 (0.6, 1.76) |
18/573 | 0.71 (0.73, 3.95) |
| No drain | 7/519 | 19/519 | 28/567 | 25/567 | |||||
| Petrowosky [42] |
Drain | 30/717 | 1.3 (0.77, 2.49) |
NA | 46/717 | 1.41 (0.87, 2.29) |
NA | ||
| No drain | 16/673 | 30/673 | |||||||
n no. of events, N total no. of patients, OR odds ratio, CI confidence interval, NA not analyzed