TABLE 4.
Postoperative outcomes
| No AL | AL | Total | P | ||
|---|---|---|---|---|---|
| Medical complication | No | 3946 (90.0) | 439 (10.0) | 4385 (100) | 0.006 |
| Yes | 630 (86.5) | 98 (13.5) | 728 (100) | ||
| (Missing) | 270 (94.7) | 15 (5.3) | 285 (100) | ||
| Surg compl CD | I–II | 333 | 140 | 473 | <0.001 |
| Surg compl CD | III+ | 156 | 360 | 516 | |
| Missing | 41 | 52 | 93 | ||
| Reoperation | No | 3883 (95.4) [97.0]* | 189 (4.6) [37.0]* | 4072 (100) | <0.001 |
| Yes | 123 (27.6) [3.0]* | 323 (72.4) [63.0]* | 446 (100) | ||
| (Missing) | 840 (95.5) | 40 (4.5) | 880 (100) | ||
| 30‐day mortality | No | 3453 (86.7) [99.3]* | 531 (13.3) [97.4]* | 3984 (100) | <0.001 |
| Yes | 26 (65.0) [0.7]* | 14 (35.0) [2.6]* | 40 (100) | ||
| (Missing) | 1367 (99.5) | 7 (0.5) | 1374 (100) | ||
| Length of stay (days) | Median (IQR) | 9.0 (7.0–11.0) | 19.0 (12.0–27.0) | 9.0 (7.0–12.0) | <0.001 |
Bold indicated significance value (P < 0.05).
Abbreviations: AL, anastomotic leak; CD, Clavien–Dindo classification; IQR, interquartile range; Surg compl, surgical complication.
*
indicates that the percentage in brackets is referred to the population of the column.