Table 3.
Univariate and Multivariate Analyses of Mortality
| Variable | Univariate Analysis |
Multivariate Analysis |
||
|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | |
| Age ≥ 60 years | 19.393 (2.473–152.107) | .005 | 5.403 (0.464–62.985) | .178 |
| Males | 0.652 (0.218–1.953) | .445 | ||
| BMI ≥ 23 kg/m2 | 0.192 (0.040–0.924) | .040 | 0.570 (0.043–7.589) | .670 |
| ASA ≥ 3 | 4.457 (1.449–13.713) | .009 | 0.665 (0.102–4.318) | .669 |
| Hypertension | 8.357 (2.469–28.292) | .001 | 3.687 (0.633–21.454) | .147 |
| DM | 1.241 (0.257–5.998) | .788 | ||
| Hepatitis | 3.821 (0.371–39.388) | .260 | ||
| Tuberculosis | 2.020 (0.243–16.783) | .515 | ||
| Abdominal operation history | 3.000 (0.989–9.104) | .052 | ||
| Constipation | 0.897 (0.108–7.459) | .920 | ||
| Smoking | 0.167 (0.021–1.311) | .089 | ||
| Alcohol | 0.442 (0.055–3.541) | .442 | ||
| History of diverticulitis | 0.897 (0.108–7.459) | .920 | ||
| Body temperature ≥ 38.3°C | 0.373 (0.047–2.976) | .352 | ||
| WBC ≥ 10 × 103/μL | 0.492 (0.161–1.506) | .214 | ||
| Serum CRP ≥ 40 mg/L | 0.493 (0.141–1.715) | .266 | ||
| Serum BUN ≥ 23 mg/dL | 4.432 (1.402–14.009) | .011 | 1.010 (0.169–6.060) | .991 |
| Serum creatinine ≥ 1.2 mg/dL | 6.238 (1.986–19.592) | .002 | 6.320 (0.976–40.945) | .053 |
| Serum total bilirubin ≥ 1.2 mg/dL | 0.955 (0.194–6.199) | .961 | ||
| Serum direct bilirubin ≥ 1.2 mg/dL | 0.356 (0.100–1.276) | .113 | ||
| Serum albumin < 3.0 g/dL | 16.000 (3.135–81.665) | .001 | 22.811 (2.068–251.587) | .011 |
| Modified Hinchey score ≥ III | 5.000 (1.618–15.448) | .005 | 2.186 (0.320–14.933) | .425 |
| Left side perforation | 2.345 (0.751–7.329) | .142 | ||
| Bowel resection | 1.423 (0.174–11.654) | .742 | ||
| Stoma formation | 3.492 (1.143–10.666) | .028 | 0.332 (0.046–2.404) | .275 |
| Laparoscopy | 8.021 (1.022–62.942) | .048 | 2.480 (0.157–39.161) | .519 |
| Operation time ≥ 180 min | 2.685 (0.859–8.399) | .090 | ||
ASA, American Society of Anesthesiologists; BMI, body mass index; BUN, blood urea nitrogen; CI, confidence interval; CRP, C-reactive protein; DM, diabetes mellitus; OR, odds ratio; WBC, white blood cell.