Table 1. Clinical characteristics. BMI body, mass index; ISR, intersphincteric resection; LAR, lower anterior resection; APR, abdominoperineal resection; LPLD, lateral pelvic lymph node dissection; CRT, chemoradiotherapy.
| LPLD group (n=25)(%) |
No LPLD group (n=92) (%) |
p | ||
|---|---|---|---|---|
| Mean age | 57.2 | 63.0 | 0.016 | |
| Sex ratio (Male/ Female) |
17/8 | 62/30 | 0.954 | |
| BMI (kg/m2) (min- max) |
21.5 (17.2–32.4) | 22.1 (16.4–35.8) | 0.204 | |
| Operative procedure, n (%) |
0.106 | |||
| ISR | 14 (56.0) | 32 (34.8) | ||
| LAR | 7 (28.0) | 46 (50.0) | ||
| APR | 4 (16.0) | 14 (15.2) | ||
| Tumor location, n (%) | 0.174 | |||
| Middle third | 10 (40.0) | 53 (57.6) | ||
| Lower third | 15 (60.0) | 39 (42.4) | ||
| Tumor length (cm) | 6.7 | 5.0 | 0.025 | |
| Treatment, n (%) | 0.520 | |||
| Preoperative CRT+ Surgery |
23 (88.0) | 79 (85.9) | ||
| Surgery alone | 2 (8.0) | 13 (14.1) | ||
| Clinical tumor stage, n (%) |
0.664 | |||
| cT2 | 1 (4.0) | 7 (7.6) | ||
| cT3 | 15 (60.0) | 59 (64.1) | ||
| cT4 | 9 (36.0) | 26 (28.3) | ||
| Clinical node stage, n (%) |
0.176 | |||
| cN0 | 1 (4.0) | 13 (14.1) | ||
| cN1 | 7 (28.0) | 34 (37.0) | ||
| cN2 | 17 (68.0) | 45 (48.9) |