Univariate and multivariate analyses of risk factors for overall survival.

a<p>CI, confidence interval. </p><p>KPS, Karnofsky performance score; MIC-1, macrophage inhibitory cytokine-1.</p>#<p>The hazard ratio and 95% confidence interval of the variable were derived from the multivariate Cox hazard proportional model constructed in the 133 complete subjects with MIC-1 concentrations, which was adjusted by age, KPS before chemotherapy, histological differentiation, stage, peritoneal metastasis, chemotherapy cycles, objective response, weight loss before chemotherapy, weight loss during chemotherapy, MIC-1 before chemotherapy and MIC-1 change during chemotherapy.