Table 2 Comparison of clinical characteristics of patients with NLN ≤ 9 or NLN > 9
Characteristic | Total | NLN ≤ 9 | NLN > 9 | P value | |
|---|---|---|---|---|---|
6068 | 2613 | 3455 | |||
Follow up | Median (IQU) | 58 (42-81) months | |||
Year of diagnosis | 0.000 | ||||
2004–2007 | 3122 | 1553 | 1569 | ||
2008–2010 | 2946 | 1060 | 1886 | ||
Sex | 0.007 | ||||
Male | 3881 | 1625 | 2256 | ||
Female | 2187 | 988 | 1199 | ||
Age | 0.000 | ||||
<60 | 3368 | 1365 | 2003 | ||
≥60 | 2700 | 1248 | 1452 | ||
Race | 0.593 | ||||
White | 4927 | 2137 | 2790 | ||
Black | 511 | 214 | 297 | ||
Others | 630 | 262 | 368 | ||
Grade | 0.222 | ||||
Grade I/ II | 5098 | 2184 | 2914 | ||
Grade III/ IV | 970 | 429 | 541 | ||
Histologic type | 0.430 | ||||
Adenocarcinoma | 5517 | 2367 | 3150 | ||
Mucinous adenocarcinoma | 490 | 215 | 275 | ||
Signet ring cell carcinoma | 61 | 31 | 30 | ||
ypT stage | 386 | 189 | 197 | 0.062 | |
1 | 957 | 425 | 532 | ||
2 | 4306 | 1820 | 2486 | ||
3 | 419 | 179 | 240 | ||
4 | |||||
LNs dissected | 12.79 | 6.92 | 17.23 | 0.000 | |