Total | N0 | N1a | N1b | P value | |
---|---|---|---|---|---|
Characteristic | (n = 86674) | (n = 61696) | (n = 12416) | (n = 12562) | |
Media follow up (mo) | 85 | 90 | 78 | 69 | <0.001 |
(IQR) | (54–121) | (62–124) | (39–116) | (30–108) | |
Years of diagnosis | 0.102 | ||||
1988-1993 | 17214 | 12196 | 2489 | 2529 | |
1994-1999 | 24641 | 17436 | 3629 | 3576 | |
2000-2003 | 32064 | 17436 | 6298 | 6457 | |
Sex | 0.818 | ||||
Male | 43210 | 30798 | 6177 | 6235 | |
Female | 43464 | 30898 | 6239 | 39876327 | |
Age | <0.001 | ||||
<60 | 27442 | 18170 | 4293 | 4439 | |
≥60 | 59232 | 42986 | 8123 | 8123 | |
Race | <0.001 | ||||
White | 69850 | 50278 | 9667 | 9905 | |
Black | 9407 | 6337 | 1574 | 1496 | |
Other | 7154 | 4872 | 1145 | 1137 | |
Unknown | 263 | 209 | 30 | 24 | |
Pathological grading | <0.001 | ||||
High/moderate | 41097 | 28840 | 6121 | 6136 | |
Poor/anaplastic | 7723 | 4503 | 1434 | 1786 | |
Unknown | 1750 | 1232 | 251 | 267 | |
Histotype | <0.001 | ||||
Adenocarcinoma | 76387 | 54697 | 10817 | 10873 | |
Mucinous cell | 9667 | 6671 | 1480 | 1516 | |
Signet ring cell | 486 | 239 | 96 | 151 | |
T stage | <0.001 | ||||
T1 | 12141 | 11055 | 746 | 340 | |
T2 | 14570 | 11995 | 1531 | 1044 | |
T3 | 28192 | 18982 | 4532 | 4678 | |
T4a | 27669 | 17195 | 4860 | 5614 | |
T4b | 4102 | 2469 | 747 | 886 | |
No. of LNs dissected | <0.001 | ||||
<12 | 47920 | 34671 | 6693 | 6556 | |
≥12 | 38754 | 27025 | 5723 | 6006 |