Characteristic | Study group (n = 15) | Control group (n = 15) | p-value |
---|---|---|---|
Age (years) | |||
 Mean ± SD | 56.6 ± 10.4 | 56.9 ± 7.9 | 0.937a |
 Range | 41–82 | 38–71 |  |
Gender | Â | Â | 1.000c |
 Male | 14 (93.3%) | 14 (93.3%) |  |
 Female | 1 (6.7%) | 1 (6.7%) |  |
Education | Â | Â | 0.705b |
 Less than 12 years | 9 (60.0%) | 10 (66.7%) |  |
 More than 12 years | 6 (40.0%) | 5 (33.3%) |  |
Religion | Â | Â | 0.709b |
 Buddhist | 7 (46.7%) | 6 (40.0%) |  |
 Taoist | 5 (33.3%) | 4 (26.7%) |  |
 Christian | 3 (20.0%) | 5 (33.3%) |  |
Marital status | Â | Â | 0.390c |
 Without a spouse | 2 (13.3%) | 5 (33.3%) |  |
 With a spouse | 13 (86.7%) | 10 (66.7%) |  |
Occupational status | Â | Â | 0.450c |
 Homemaking or part-time employment | 8 (53.3%) | 11 (73.3%) |  |
 Employed | 7 (46.7%) | 4 (26.7%) |  |
Habits related to cancer | |||
 None | 1 (6.7%) | 3 (20.0%) | 0.598c |
 Alcohol use | 9 (60.0%) | 9 (60.0%) | 1.000b |
 Tobacco use | 13 (86.7%) | 11 (73.3%) | 0.651c |
 Betel nut use | 9 (60.0%) | 7 (46.7%) | 0.464b |
Radiation modalities | |||
 Versa HD™ | 8 (53.3%) | 9 (60.0%) | 0.713b |
 Helical tomotherapy | 7 (46.7%) | 6 (40.0%) |  |
Comorbidity | |||
 None | 9 (60.0%) | 9 (60.0%) | 1.000b |
 Diabetes | 3 (20.0%) | 3 (20.0%) | 1.000c |
 Hypertension | 4 (26.7%) | 5 (33.3%) | 1.000c |
 Coronary artery disease | 1 (6.7%) | 0 | 1.000c |
 Others | 1 (6.7%) | 2(13.4%) |  |
Tumor site | |||
 Nasopharyngeal cancer | 4 (26.7%) | 0 |  |
 Oral cancer | 7(46.7%) | 10 (66.7%) |  |
 Oropharyngeal cancer | 2 (13.3%) | 3 (20.0%) |  |
 Laryngeal cancer | 0 | 1 (6.7%) |  |
 Hypopharyngeal cancer | 2 (13.3%) | 1 (6.7%) |  |
AJCC(7th edition) Stage | Â | Â | 0.185b |
 Stage I | 1 (6.7%) | 2 (13.3%) |  |
 Stage II | 5 (33.3%) | 2 (13.3%) |  |
 Stage III | 5 (33.3%) | 2 (13.3%) |  |
 Stage IV | 4 (26.7%) | 9 (60.0%) |  |
Surgery | Â | Â | 0.128c |
 Yes | 7 (46.7%) | 12 (80.0%) |  |
 No | 8 (53.3%) | 3 (20.0%) |  |
Chemotherapy | Â | Â | 0.651c |
 Yes | 12 (80.0%) | 11 (73.3%) |  |
 No | 3 (20.0%) | 4 (26.7%) |  |
Radiation dose | Â | Â | 0.714a |
 Mean (± SD) | 66.86 (± 4.20) | 66.27 (± 3.85) |  |
 Median | 70 | 66 |  |
 Min, | 60 | 60 |  |
 Max | 70 | 70 |  |