Table 4 Univariate and multivariate regression analyses of operative time in 845 patients
Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
OR (95% CI) | P-value | OR (95% CI) | P-value | |
Age (≥ 60 / < 60 years) | 0.996 (0.748–1.327) | 0.978 | ||
Gender (male/female) | 1.196 (0.892–1.604) | 0.231 | ||
BMI (≥ 25/ < 25 kg/m2) | 1.269 (0.947–1.699) | 0.110 | ||
ASA (I-II/III) | 0.923 (0.607–1.404) | 0.708 | ||
nCRT (yes/no) | 1.433 (0.972–2.112) | 0.069 | ||
Surgery procedure (Colorectal anastomosis /Hartmann) | 0.098 (0.011–0.839) | 0.034 | 0.263 (0.27–2.573) | 0.251 |
LCA retention (yes/no) | 1.463 (0.982–2.181) | 0.062 | ||
CEA (≥ 5/ < 5 ng/L) | 1.005 (0.738–1.368) | 0.976 | ||
T stage (T0-T2/T3-T4) | 0.955 (0.316–2.886) | 0.770 | ||
N stage (N0/N1-N2) | 1.089 (0.777–1.527) | 0.653 | ||
M (0/1) | 1.068 (0.538–2.121) | 0.886 | ||
PDM (yes/no) | 4.084 (1.658–8.720) | 0.001 | 3.205 (1.457–7.049) | 0.004 |