Table 1.
Demographic and clinical information
| Demographic information | LNM(−) n = 268 | LNM(+) n = 50 | LNM(x) n = 25 | Overall n = 343 | p value |
|---|---|---|---|---|---|
| Age ± SD, yr | 64.6 ± 11.7 | 65.3 ± 12.2 | 66.9 ± 11.9 | 64.9 ± 11.7 | .63 |
| Male, n (%) | 148 (55.2) | 27 (52.9) | 18 (72.0) | 193 (56.1) | .25 |
| Lymph node resected, n ± SD | 16.9 ± 10.2 | 18.2 ± 9.8 | 15.9 ± 10.7a | <.0001 | |
| Rectal location, n (%) | 91 (34.0) | 18 (36.0) | 10 (40.0) | 119 (34.7) | .81 |
| Disease‐free survival ± SD, yr | 7.00 ± 2.59 | 5.76 ± 2.79 | 9.08 ± 2.02 | 6.97 ± 2.68 | <.0001 |
a
The denominator excludes the subjects who underwent endoscopic resection alone.
Abbreviations: LNM(−), without lymph node metastasis, LNM(+), with lymph node metastasis; LNM(x), lymph node metastasis undetermined.