Table 1.

Characteristics of the 199 patients included in the study.

	TOTAL	CR	DR	LR
	(n = 199)	(n = 120)	(n = 36)	(n = 43)
Age, yo ± SD	62.5 ± 10.2	61.3 ± 8.9	64.0 ± 10.2	64.7 ± 12.7
Gender, n (%)
Male	142(71.4)	85(70.8)	26(72.2)	31(72.1)
Female	57(28.6)	35(29.2)	10(27.8)	12(27.9)
Tumor location, n (%)
Rhinopharynx	7(3.5)	5(4.2)	1(2.8)*	1(2.3)*
Oropharynx	124(62.3)	70(58.3)	26(72.2)*	28(65.1)*
Hypopharynx	24(12.1)	14(11.7)	5(13.9)*	5(11.6)*
Larynx	31(15.6)	26(21.7)	3(8.3)*	2(4.7)*
Oral cavity	13(6.5)	5(4.2)	1(2.8)*	7(16.3)*
AJCC stage, n (%)
I	5(2.5)	5(4.2)	0*	0*
II	16(8.0)	14(11.7)	0*	2(4.6)*
III	40(20.1)	28(23.3)	5(13.9)*	7(16.3)*
IV	138(69.3)	73(60.8)	31(86.1)*	34(79.1)*
RT Duration, (days ± SD)	54.8 ± 9.1	53.4 ± 9.4	56.7 ± 7.5	57.3 ± 8.5
RT Dose, (Gy ± SD)	70.0 ± 1.1	70.0 ± 0.5	70.3 ± 1.2	69.9 ± 1.8
Treatment, n (%)
CRT	137(68.9)	85(20.8)	26(72.2)	26 (60.5)
Single RT	56(28.1)	31(25.8)	8(22.2)	17(39.5)

CR, Complete response; DR, Distant relapse; LR, Local relapse; SD, Standard deviation; CRT, Chemo-radiotherapy;

^*Significantly different fromCR.