Table 3.

Univariate analysis and multivariate Cox regression for prognosis of 42 SCCE patients

Factors	All cohort(n = 42)			LD(n = 25)
	P value (Univariate)	P value (Multivariate)	HR (95% CI)	P value (Univariate)	P value (Multivariate)	HR (95% CI)
Age (< 60 years vs. ≥60 years)	0.280			0.989
Sex (Male vs. Female)	0.777			0.271
ECOG PS (≥2 vs. <  2)	0.000	0.001	6.314 (2.027–19.669)	0.048	0.291	2.577 (0.444–14.947)
Lesion length (> 5 cm vs. ≤5 cm)	0.001	0.001	8.593 (2.449–30.156)	0.19
Smoking history (Yes vs. No)	0.578			0.212
Risky diet (Yes vs. No)	0.731			0.731
Stage (ED vs. LD)	0.002	0.049	2.786 (1.002–7.741)	–	–	–
Treatment (R + C vs. R Only)	0.003	0.088	0.302 (0.076–1.197)	0.028	0.046	0.204 (0.050–0.839)
Technology (3DCRT vs. IMRT)	0.039	0.941	0.948 (0.226–3.974)	0.498
RT dose (<56Gy vs. ≥56Gy)	0.024	0.577	1.373 (0.451–4.184)	0.047	0.027	4.212 (1.024–17.335)

Abbreviations: LD: limited-disease, ED: extensive-disease, RT: Radiotherapy, CT: Chemotherapy, HR: Hazard Ratio, CI: Confidence Interval