Table 3.

Univariate Analysis And Multivariate Analysis Of The Prognostic Factors On OS In Patients With SCLC

Factors	Univariate Analysis		Multivariate Analysis
x2	P	HR	95% CI	P
Gender	0.41	0.524	1.009	0.527–1.932	0.979
Age (years)	10.51	0.001	2.210	1.374–3.554	0.001
KPS	2.061	0.151	2.172	0.895–5.500	0.101
PCI	6.022	0.014	0.441	0.224–0.965	0.049
Surgery	0.038	0.846	0.985	0.622–1.560	0.949
T-stage	6.57	0.087	1.120	0.906–1.385	0.296
N-stage	0.80	0.670	1.109	0.839–1.456	0.469

Abbreviations: KPS, Karnofsky performance status; PCI, prophylactic cranial irradiation; HR, hazard ratio; CI, confidence interval.