Table 1.
Baseline patient characteristics
| Characteristics | All patients 23 (100)a |
NR 7 (30) |
PR 10 (43) |
TR 6 (26) |
p valueb |
|---|---|---|---|---|---|
| Age (years) | |||||
| Median | 58.6 ± 11.1 | 54.7 ± 14.3 | 59.7 ± 10.2 | 61.3 ± 8.6 | |
| Range | 31–75 | 31–72 | 47–75 | 48–71 | |
| Sex | 0.324 | ||||
| Male | 19 (83) | 7 (100) | 7 (70) | 5 (83) | |
| Female | 4 (17) | 0 | 3 (30) | 1 (17) | |
| Tumor location from anal verge (cm) | 0.961 | ||||
| 3–5 | 10 (43) | 3 (43) | 5 (50) | 2 (33) | |
| 6–10 | 11 (48) | 3 (43) | 4 (40) | 4 (67) | |
| > 10 | 2 (9) | 1 (14) | 1 (10) | 0 | |
| Tumor differentiation | 0.884 | ||||
| Missing value | 9 (39) | 3 (43) | 3 (30) | 3 (50) | |
| Well | 5 (22) | 2 (29) | 2 (20) | 1 (17) | |
| Moderately | 9 (39) | 2 (29) | 5 (50) | 2 (33) | |
| Undifferentiated | 0 | 0 | 0 | 0 | |
| Pre-treatment stage | 0.441 | ||||
| IIA | 3 (13) | 0 | 2 (20) | 1 (17) | |
| IIIA | 1 (4) | 0 | 1 (10) | 0 | |
| IIIA–IIIB | 2 (9) | 0 | 0 | 2 (33) | |
| IIIB | 4 (17) | 1 (14) | 2 (20) | 1 (17) | |
| IIIB–IIIC | 12 (52) | 5 (71) | 5 (50) | 2 (33) | |
| IIIC | 1 (4) | 1 (14) | 0 | 0 | |
| iT | 0.560 | ||||
| T2 | 3 (13) | 0 | 1 (10) | 2 (33) | |
| T3 | 18 (78) | 6 (86) | 8 (80) | 4 (67) | |
| T4 | 2 (9) | 1 (14) | 1 (10) | 0 |
iT initial tumor, NR non-responders, PR partial responders, TR total responders
aFirst number: number of patients; number in parentheses: percentage of patients
bThe p value is obtained by Fisher’s exact test and is considered significant when p value < 0.05