Table 2. Unadjusted analysis for 5-year OS, DSS, LRFS, and DMFS rates.

	5-yr OS (%)	P	5-yr DSS (%)	P	5-yr LRFS (%)	P	5-yr DMFS (%)	P
Age, years
<46	80	<0.001	80	<0.001	85	<0.001	94	0.324
≥46	69		71		76		94
Sex
Male	73	<0.001	75	0.001	78	<0.001	94	0.350
Female	81		81		85		95
UICC T Stage
T1–T2	78	<0.001	79	<0.001	82	<0.001	94	0.142
T3–T4	70		72		76		93
UICC N Stage
N0–N1	78	<0.001	80	<0.001	82	<0.001	95	0.001
N2–N3	67		69		75		91
Treatment
RT	79	<0.001	81	<0.001	82	0.001	97	<0.001
RT+CT	71		72		78		91
BMI levels
Underweight	65		67		76		90
Normal weight	73	<0.001†	75	<0.001†	79	0.004†	94	0.036†
Overweight/obese	78		79		83		95
Weight loss
LWL	78	<0.001	81	<0.001	84	<0.001	94	0.891
HWL	71		73		78		94

Footnote: OS, overall survival; DSS, disease-specific survival; LRFS, local-regional recurrent free survival; DMFS, distant metastasis free survival. Other abbreviation as in Table 1;

^†result of joint test.