Table 2 Univariate and multivariate analyses of the factors for overall survival. PNI, prognostic nutritional index; BMI, body mass idex; SD, standard deviation; NA, not applicable; BMI, body mass index.
Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|
HR (95% CI) | P-value | HR (95% CI) | P-value | |
Age | 0.596 | 0.1541 | ||
≤55 | Reference | Reference | ||
>55 | 0.679 (0.137–2.825) | 0.306 (0.053–1.577) | ||
Preoperative BMI | 0.232 | 0.249 | ||
≤22 | Reference | Reference | ||
>22 | 0.320 (0.016–1.879) | 0.297 (0.014–2.112) | ||
Surgery | 0.239 | 0.091 | ||
Complete staging laparotomy | Reference | Reference | ||
Others | 0.326 (0.017–1.884) | 0.205 (0.010–1.247) | ||
Ascites cytology | 0.471 | 0.605 | ||
Negative, pseudopositive, or NA | Reference | Reference | ||
Positive | 1.716 (0.352–7.001) | 1.509 (0.284–6.979) | ||
CA125 | 0.675 | 0.941 | ||
≤197 U/mL | Reference | Reference | ||
>197 U/mL | 1.425 (0.208–6.206) | 1.069 (0.138–5.449) | ||
Courses of chemotherapy | 0.124 | 0.076 | ||
≤3 | Reference | Reference | ||
>3 | 4.090 (0.718–76.816) | 5.862 (0.843–117.674) | ||
PNI | 0.029 | 0.010 | ||
≤46.5 | Reference | Reference | ||
>46.5 | 0.193 (0.028–0.848) | 0.102 (0.008–0.602) | ||