Health-related Quality of life in 640 head and neck cancer survivors after radiotherapy using EORTC QLQ-C30 and QLQ-H&N35 questionnaires

Table 1 Patient characteristics (n = 640)

Variables	Total	2DRT	3DCRT	IMRT
Patient number	640	371	127	142
Age, median (range) years	52 (15-87)	52 (15-87)	53 (31-83)	51 (23-79)
Male/female	537/103	297/74	117/10	123/19
Education years
≦6	245	147	52	46
6~12	305	168	64	73
>12	90	56	11	23
Annual family income, (104 NTD)
<60	119	53	30	36
60~120	218	125	47	46
≥ 120	303	193	50	60
Marital status
With spouse	518	298	102	118
Without spouse	122	73	25	24
Employment
Yes	225	139	36	50
No	415	232	91	92
Cancer sites
Nasopharynx	316	226	31	59
Oral cavity	129	64	33	32
Oropharynx	75	41	21	13
Hypoppharynx	75	20	28	27
Larynx	45	20	14	11
AJCC stage
I-II	210	145	26	39
III-IV	430	226	101	103
Radiation dose
≦70.2Gy	281	126	81	74
>70.2Gy	359	245	46	68
Surgery
No	391	264	53	74
Yes	249	107	74	68
Chemotherapy
No	343	237	57	49
Yes	297	134	70	93
Comorbidity score
0	373	219	66	88
≧1	267	152	61	54
Follow-up years, median	4.3	5.2	3.9	3.1

Abbreviations: RT = radiotherapy; 2DRT = two dimensional RT; 3DCRT = three dimensional conformal RT; IMRT = intensity-modulated RT; 1USD = 33NTD; AJCC = American Joint Committee on Cancer, 6th edition; Comorbidity score was based on Charlson comorbidity index.

ISSN: 1471-2407