Table 1.
Patient characteristics.
| Characteristic | Number of patients (%) | |||
|---|---|---|---|---|
| Total | 4 fractions | 5–8 fractions | P value | |
| Total number of patients | 72 | 37 | 35 | |
| Gender | ||||
| Male | 47 (65) | 24 (51) | 23 (49) | 1.0 |
| Female | 25 (35) | 13 (52) | 12 (48) | |
| Age (years), median [range] | 76 [31–93] | 76 [31–93] | 78 [51–90] | 0.17 |
| Follow-up (months), median [range] | 20 [6–46] | 20 [7–41] | 21 [6–46] | 0.74 |
| Clinical stage | ||||
| Primary | ||||
| cT1N0M0 | 52 | 30 | 22 | |
| cT2N0M0 | 1 | 0 | 1 | |
| Metastasis | 12* | 4 | 8 | |
| Recurrence | 7 | 3 | 4 | |
| Performance status | ||||
| 0 | 61 (85) | 34 (56) | 27 (44) | 0.15 |
| 1 | 9 (12) | 3 (33) | 6 (67) | |
| 2 | 2 (3) | 0 | 2 | |
| Previous radiotherapy | ||||
| Yes | 23 (32) | 11 (48) | 12 (52) | 0.8 |
| No | 49 (68) | 26 (53) | 23 (47) | |
| Previous operation | ||||
| Yes | 28 (39) | 12 (43) | 16 (57) | 0.33 |
| No | 44 (61) | 25 (57) | 19 (43) | |
| Previous chemotherapy | ||||
| Yes | 3 (4) | 1 (33) | 2 (67) | 0.61 |
| No | 69 (96) | 36 (52) | 33 (48) | |
| Double cancer | ||||
| Yes | 24 (33) | 12 (50) | 12 (50) | 1.0 |
| No | 48 (67) | 25 (52) | 23 (48) | |
*Primary organ: tongue in 1, lung in 3, esophagus in 1, liver in 1, colorectum in 3, and ovary in 3.