Table 1 Demographic data of 166 cervical cancer patients requiring surgery for chronic radiation enteropathy
Characteristics | RRT (n = 46) | RS + RT (n = 120) | P value |
|---|---|---|---|
Age, y (mean ± SD) | 51.8 ± 10.4 | 47.8 ± 9.4 | 0.020 |
Tumor stage, n (%)a | 0.000 | ||
 I-IIa | 3(7.1) | 78(86.7) | |
 IIB-IVa | 39(92.9) | 12(13.3) | |
Cumulative dosage, Gy (mean ± SD)b | 72.6 ± 22.0 | 50.4 ± 13.1 | 0.000 |
 Preoperative, n (%) | - | 5 (4.17) | |
 Postoperative, n (%) | - | 111 (92.5) | |
 Pre/postoperative, n (%) | - | 4 (3.33) | |
Chemotherapy, n (%) | 26(56.5) | 57(47.5) | 0.298 |
Pathological pattern, n (%)c | 0.147 | ||
 squamous carcinoma | 40 (90.9) | 94 (79.7) | |
 adenocarcinoma | 4 (9.1) | 14 (20.3) | |
Acute radiation enteritis, n (%)d | 16/38 (42.1 %) | 42/112(37.5 %) | 0.614 |
Median latency period, n (%) Median (range), n (%) | 9(3–264) | 6(3–129) | 0.000 |
 ≦6 | 13 (28.3) | 70 (58.3) | 0.001 |
 7–12 | 17 (37.0) | 33 (27.5) | 0.235 |
 13–24 | 6 (13.0) | 7 (5.8) | 0.122 |
 >24 | 10 (21.7) | 10 (8.3) | 0.018 |
Time interval from disease onset to referral Median (range) | 6.5(1–108) | 5.5(0.5–152) | 0.295 |
BMI, mean ± SD (range) N (%) | 19.0 ± 3.1 | 17.8 ± 3.2 | 0.025 |
 <=18.5 | 23(50.0) | 75(65.8) | 0.074 |
 >18.5 | 23(50.0) | 39(34.2) | 0.074 |
hypertension | 3 (6.5) | 9 (7.5) | 1.000 |
Diabetes mellitus | 2(4.3) | 2(1.7) | 0.658 |
Double j-tube placement, n (%) | 4 (8.7) | 1 (0.8) | 0.021 |
Blood infusion, n (%) | 9 (19.6) | 29 (24.2) | 0.528 |
Previous abdominal surgery, n (%) | 21(45.7) | 36(30.0) | 0.086 |