Table 2.
Disease and operative characteristics
| Died (N = 20) |
Survived (N = 126) |
p value | |
|---|---|---|---|
| Etiology of perforation (%) | 0.034 | ||
| Diverticulitisa | 5 (25) | 69 (55) | |
| Cancer | 6 (30) | 34 (25) | |
| Uncommon othersa | 9 (45) | 23 (20) | |
| Fecal impaction | 6 (30) | 11 (11) | |
| Ischemia | 2 (10) | 5 (4) | |
| Idiopathic | 1 (5) | 4 (3) | |
| Site of perforation (%) | 0.017 | ||
| Cecum/ascending colon | 1 (5) | 11 (9) | |
| Transverse colona | 2 (10) | 2 (2) | |
| Descending colon | 3 (15) | 6 (5) | |
| Sigmoid colona | 6 (30) | 76 (60) | |
| Rectum | 8 (40) | 31 (24) | |
| Type of surgery (%) | 0.057 | ||
| Resection, stoma formation | 19 (95) | 117 (92) | |
| Resection, anastomosis | 0 (0) | 3 (2) | |
| Stoma formation | 1 (5) | 0 (0) | |
| Others | 0 (0) | 5 (4) | |
| Hinchey classification (%) | 0.673 | ||
| I | 3 (15) | 30 (24) | |
| II | 1 (5) | 7 (6) | |
| III | 4 (20) | 31 (25) | |
| IV | 12 (60) | 57 (45) | |
| Operating time (min) | 142 (183–101) | 155 (190–121) | 0.524 |
| Estimated blood loss (ml) | 290 (537–44) | 200 (358–43) | 0.349 |
| Intraoperative fluid administration (l) | 3.3 (4.6–2.3) | 2.6 (3.6–2.0) | 0.086 |
| Intraoperative fluid balance (l) | 2.7 (3.1–1.1) | 1.9 (2.6–1.4) | 0.166 |
Values are expressed as the median (interquartile) or the number (percent)
aStatistically significant difference as determined by post hoc analysis and Fisher’s exact test