|
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.
