Table 3.

Univariate analyses

		OS			PFS
Parameter	Number of patients	Events	Median 95% confidence interval	p value (log rank test)	Events	Median 95% confidence interval	p value (log rank test)
T-Stage				0.766			0.585
T1	4	3	0.0–51.3		3	0.0–51.3
T2	9	5	0.0–58.1		6	0.0–14.8
T3	53	31	9.0–33.0		31	3.9–30.1
T4	22	16	6.6–23.4		17	0.0–13.4
T2 + 1	13	8	25.9–48.1		8	4.8–33.2
Chemotherapy				< 0.001			< 0.001
Yes	60	30	15.4–78.6		32	0.0–58.9
No	41	33	5.9–12.1		33	2.9–9.1
Charlson index				0.096			0.089
Score 2	20	9	-		9	-
Score > 2	81	54	10.1–25.9		56	8.3–21.7
Age				0.036			0.092
≤ 75 years	68	38	14.4–41.6		40	6.9–27.1
> 75 years	33	25	5.6–16.4		25	0.0–14.7
BMI							0.027
underweight	8	7	0.0–20.1		8	2.3–7.7
normal weight	43	26	6.8–47.2		26	11.9–26.2
overweight	29	19	6.0–28.0		19	4.1–25.9
obese	21	11	0.0–44.0		12	0.0–35.4

¹T2 + was used for tumors stages at least T2 but without further exact T-staging