Table 2.
Univariate and multivariate analyses of factors associated with postoperative complications.
| Factors | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
| Low CXI | Low H-CXI | |||||
| OR (95%CI) | p | OR (95%CI) | p | OR (95%CI) | p | |
| Age, years | ||||||
| ≥75/<75 | 2.298 (1.755–3.009) | < 0.001 * | 2.054 (1.548–2.724) | < 0.001 * | 2.009 (1.510–2.673) | < 0.001 * |
| Sex | ||||||
| Male/Female | 1.042 (0.812–1.338) | 0.745 | 1.056 (0.817–1.365) | 0.676 | 1.055 (0.816–1.363) | 0.683 |
| BMI, kg/m2 | ||||||
| ≥25/<25 | 1.209 (0.914–1.599) | 0.184 | – | – | – | – |
| Low CXI | ||||||
| Yes/No | 1.455 (1.112–1.904) | 0.006 * | 1.298 (0.981–1.718) | 0.068 | ||
| Low H-CXI | ||||||
| Yes/No | 1.628 (1.246–2.125) | < 0.001 * | – | – | 1.337 (1.008–1.772) | 0.044 * |
| Cachexia | ||||||
| Yes/No | 1.199 (0.913–1.574) | 0.192 | – | – | – | – |
| Anemia | ||||||
| Yes/No | 1.237 (0.962–1.590) | 0.098 | 0.955 (0.730–1.250) | 0.739 | 0.950 (0.725–1.243) | 0.707 |
| NRS2002 | ||||||
| ≥3/<3 | 1.074 (0.827–1.395) | 0.591 | – | – | – | – |
| ASA grade | ||||||
| III/I, II | 1.876 (1.318–2.670) | < 0.001 * | 1.618 (1.120–2.337) | 0.010 * | 1.575 (1.092–2.274) | 0.015 * |
| Previous abdominal surgery | ||||||
| Yes/No | 0.943 (0.692–1.285) | 0.710 | – | – | – | – |
| Tumor location | ||||||
| Rectum/Colon | 1.070 (0.835–1.371) | 0.591 | – | – | – | – |
| Differentiation of tumor | ||||||
| Low/median or high | 1.314 (0.946–1.826) | 0.103 | – | – | – | – |
| TNM stage | ||||||
| II/<I | 1.307 (0.948–1.801) | 0.102 | 1.200 (0.863–1.669) | 0.279 | 1.198 (0.861–1.666) | 0.284 |
| III/<I | 1.418 (1.022–1.967) | 0.037 * | 1.324 (0.946–1.854) | 0.101 | 1.325 (0.946–1.854) | 0.101 |
| Combined organ resection | ||||||
| Yes/No | 1.243 (0.762–2.029) | 0.383 | – | – | – | – |
| Laparoscopic surgery | ||||||
| Yes/No | 0.691 (0.541–0.881) | 0.003 * | 0.758 (0.590–0.974) | 0.030 * | 0.761 (0.592–0.977) | 0.032 * |
OR, odds ratio; CI, confidence interval; BMI, body mass index; CXI, cachexia index; NRS2002, Nutritional Risk Screening 2002; ASA, American Society of Anesthesiologists; TNM, tumor-node-metastasis. * Statistically significant.