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Table 1 Patient, tumor, and treatment characteristics

From: Treatment results for patients with squamous-cell carcinoma of the anus, a single institution retrospective analysis

Age (years) Median (range) 63 (41–88)
Gender Male 39 (40%)
Female 59 (60%)
HIV status Negative 94 (96%)
Positive 3 (3%)
Unknown 1 (1%)
T stage 1/is 19 (19%)
2 45 (46%)
3 29 (30%)
4 5 (5%)
N stage 0 57 (58%)
1 16 (16%)
2 16 (16%)
3 9 (9%)
TNM staging I 18 (18%)
II 39 (40%)
IIIa 15 (15%)
IIIb 26 (27%)
Maximum tumor size (mm) Mean (SD, range) 46 (24, 7–140)
Radiotherapy technique 3D, seq. boost 28 (29%)
3D, electron boost 3 (3%)
Electron 23 (24%)
IMRT, seq. boost 3 (3%)
IMRT, electron boost 1 (1%)
IMRT, SIB 13 (13%)
VMAT 27 (28%)
Concurrent chemotherapy Yes 63 (64%)
No 35 (36%)