Table 2.
Patients characteristics (mean, median, and frequency) stratified by elective vs. emergency surgery
| Variable | Elective (n = 39) | Emergency (n = 35) | P-value |
|---|---|---|---|
| Sex | > 0.999 | ||
| Female | 6 (15.4) | 6 (17.1) | |
| Male | 33 (84.6) | 29 (82.9) | |
| Age (yr) | 62.0 (9.0–76.0) | 70.0 (53.0–95.0) | 0.272 |
| BMIa (kg/m2) | 21.8 (17.3–24.5) | 20.5 (18.5–27.6) | 0.120 |
| ASA PS classification | 0.009 | ||
| I–II | 33 (84.6) | 19 (54.3) | |
| III–IV | 6 (15.4) | 16 (45.7) | |
| Previous operation history | 0.697 | ||
| No | 24 (61.5) | 24 (68.6) | |
| Yes | 15 (38.5) | 11 (31.4) | |
| Comorbidity | 0.672 | ||
| No | 14 (35.9) | 10 (28.6) | |
| Yes | 25 (64.1) | 25 (71.4) | |
| Pain attack frequencyb | 2 (1–7) | 3 (1–7) | 0.486 |
| Stoma formation | 2 (5.1) | 26 (74.3) | < 0.001 |
Values are presented as number (%), meana (range), or medianb (range).
BMI, body mass index; ASA, American Society of Anesthesiologists; PS, physical status.