Table 1.
Patients and treatment characteristics (n = 299).
| Characteristics | N | % |
|---|---|---|
| Sex | ||
| Male | 287 | 96 |
| Female | 12 | 4 |
| T Stage | ||
| Tis | 38 | 12, 7 |
| T1a | 167 | 55, 9 |
| T1b | 42 | 14 |
| T2 | 52 | 17, 4 |
| Anterior commissure invasion | ||
| No | 168 | 56, 2 |
| Tis | 30 | 10, 0 |
| T1a | 122 | 40, 8 |
| T1b | 12 | 4, 1 |
| T2 | 4 | 1, 3 |
| Yes | 107 | 35, 8 |
| Tis | 8 | 2, 7 |
| T1a | 42 | 14, 0 |
| T1b | 30 | 10, 1 |
| T2 | 27 | 9, 0 |
| Unknown | 24 | 8 |
| Tis | 0 | 0 |
| T1a | 3 | 0, 1 |
| T1b | 0 | 0 |
| T2 | 21 | 7, 9 |
| Fractionation | ||
| 1.8–2 Gy/fx, daily | 297 | 99 |
| >2 Gy/fx daily | 2 | 1 |
| Beam energy | ||
| Cobalt-60 | 150 | 50, 2 |
| (i) Conventional | 52 | 17, 4 |
| (ii) 3D-CRT | 98 | 32, 8 |
| 6 MV X-rays | 149 | 49, 8 |
| Radiotherapy techniques | ||
| Conventional | 130 | 43, 5 |
| 3DCRT | 125 | 41, 8 |
| VMAT | 44 | 14, 7 |