Table 4.
Patient characteristics in “IRT” vs. “NIRT” groups.
| All patients (%) | Inguinal RT “IRT (%) | No inguinal “NIRT” (%) | |
|---|---|---|---|
| Patients | 80 (100) | 54 (68) | 26 (32) |
| Male | 32 (40) | 22 (41) | 10 (38) |
| Female | 48 (60) | 32 (59) | 16 (62) |
| Localization | |||
| Anal canal | 56 (70) | 37 (68) | 19 (73) |
| Anal canal + rectal | 12 (15) | 8 (15) | 4 (15) |
| Anal canal + margin | 12 (15) | 9 (17) | 3 (12) |
| T1 | 14 (17) | 8 (15) | 6 (23) |
| T2 | 30 (38) | 17 (32) | 13 (50) |
| T3 | 24 (30) | 18 (33) | 6 (23) |
| T4 | 12 (15) | 11 (20) | 1 (4) |
| N0 | 29 (36) | 15 (28) | 14 (54) |
| N1 | 17 (21) | 11 (20) | 6 (23) |
| N2 | 14 (18) | 12 (22) | 2 (8) |
| N3 | 20 (25) | 16 (30) | 4 (15) |
| M0 | 73 (91) | 48 (89) | 25 (96) |
| M1 | 7 (9) | 6 (11) | 1 (4) |
| Positive PET/negative PET | 0/49 | 18/30 | 2/19 |
| Positive SLNB/negative SLBN | 12/34 | 12/13 | 0/21 |
| 3DCRT | 24 (30) | 14 (26%) | 10 (39) |
| Tomotherapy | 18 (23) | 14 (26%) | 4 (15) |
| VMAT | 38 (47) | 26 (48) | 12 (46) |
PET: positron emission tomography; SLBN: sentinel lymph-node biopsy; TP: true positive; TN: true negative; FP: false positive; FN: false negative; VMAT: volumetric modulated arc therapy; IRT: inguinal RT; NIRT: non inguinal RT.