Table 1.
Patient characteristics (n = 210)
| Short‐course RT, n (%) | Long‐course RT, n (%) | Control, n (%) | |
|---|---|---|---|
| Sex | |||
| Male | 55 (45.5) | 33 (27.3) | 33 (27.3) |
| Female | 34 (38.2) | 18 (20.2) | 37 (41.6) |
| Mean age (years) | 65.3 | 64.3 | 73.9 |
| Median age (years) | 68.0 | 66.1 | 74.1 |
| Range | 34.3–82.0 | 41.9–81.2 | 47.0–92.3 |
| Preoperative Ta | |||
| T1‐2 | 27 (30.0) | 0 (0) | 21 (30.0) |
| T3 | 54 (60.7) | 2 (3.9) | 12 (17.1) |
| T4a | 1 (1.1) | 46 (90.2) | 3 (4.3) |
| Tx | 7 (7.9) | 1 (2.0) | 34 (48.6) |
| Postoperative T | |||
| T1 | 3 (3.4) | 2 (3.9) | 5 (7.1) |
| T2 | 32 (36.0) | 7 (13.7) | 26 (37.1) |
| T3 | 50 (56.2) | 28 (54.9) | 36 (51.4) |
| T4b | 3 (3.4) | 13 (25.5) | 3 (4.3) |
| T0 | 1 (1.1) | 1 (2.0) | 0 (0) |
| Postoperative N | |||
| N0 | 52 (58.4) | 32 (62.7) | 39 (55.7) |
| N1 | 25 (28.1) | 14 (27.5) | 16 (22.9) |
| N2 | 12 (13.5) | 5 (9.8) | 12 (17.1) |
| Nx | 0 (0) | 0 (0) | 3 (4.3) |
| Postoperative stage | |||
| Stage I | 26 (29.2) | 5 (9.8) | 25 (35.7) |
| Stage II | 26 (29.2) | 27 (52.9) | 17 (24.3) |
| Stage III | 36 (40.4) | 18 (35.3) | 28 (40.0) |
| No vital tumor | 1 (1.1) | 1 (2.0) | 0 (0) |
| Postoperative grade | |||
| G1 | 9 (10.1) | 10 (19.6) | 13 (18.6) |
| G2 | 56 (62.9) | 33 (64.7) | 46 (65.7) |
| G3 | 22 (24.7) | 3 (5.9) | 11 (15.7) |
| Gx | 2 (2.2) | 5 (9.8) | 0 (0) |
| Circumferential margin (mm) | |||
| 0 | 3 (3.4) | 8 (15.7) | 4 (5.7) |
| 0 ≤ CRM ≤ 2 | 8 (9.0) | 9 (17.6) | 7 (10.0) |
| >2 | 65 (73.0) | 22 (43.1) | 30 (42.9) |
| Unknown | 13 (14.6) | 12 (23.5) | 29 (41.4) |
| Follow‐up status | |||
| Alive without disease | 56 (62.9) | 19 (37.3) | 30 (42.9) |
| Alive with disease | 2 (2.2) | 3 (5.9) | 4 (5.7) |
| Died of disease | 19 (21.3) | 20 (39.2) | 20 (28.6) |
| Died of other causes | 12 (13.5) | 9 (17.6) | 16 (22.9) |
RT, radiotherapy; CRM, circumferential resection margin.
a
Missing information for two patients in the long‐course RT group.
b
Includes T3 tumors with threatened circumferential margin involvement.