Table 2.
Comparison of log odds of positive lymph nodes distribution with histopathological parameters in the SEER database and international database.
| SEER database | International multicenter database | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | ≤ -2.18 | -2.18 - -0.23 | > -0.23 | P | Total | ≤ -2.18 | -2.18 - -0.23 | > -0.23 | P | ||||||||||
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | ||||||||||||
| T stage | < 0.001 | < 0.001 | |||||||||||||||||
| T1 | 31113(14.21%) | 24120(17.72%) | 6602(10.75%) | 391(1.82%) | 113(6.09%) | 94(9.19%) | 19(3.13%) | 0(0) | |||||||||||
| T2 | 35099(16.03%) | 27440(20.16%) | 6720(10.94%) | 939(4.37%) | 219(11.81%) | 164(16.03%) | 48(7.91%) | 7(3.11%) | |||||||||||
| T3 | 124422(56.82%) | 71960(52.88%) | 38341(62.43%) | 14121(65.76%) | 1246(67.17%) | 651(63.64%) | 425(70.02%) | 170(75.56%) | |||||||||||
| T4 | 28346(12.94%) | 12568(9.24%) | 9756(15.88%) | 6022(28.04%) | 277(14.93%) | 114(11.14%) | 115(18.95%) | 48(21.33%) | |||||||||||
| N stage | < 0.001 | < 0.001 | |||||||||||||||||
| N0 | 141131(58.59%) | 126873(89.72%) | 14258(20.42%) | 0(0) | 1131(60.22%) | 974(94.47%) | 157(25.49%) | 0(0) | |||||||||||
| N1 | 58625(24.34%) | 14357(10.15%) | 38442(55.06%) | 5826(19.63%) | 496(26.41%) | 57(5.53%) | 369(59.90%) | 70(30.30%) | |||||||||||
| N2 | 41142(17.08%) | 173(0.12%) | 17121(24.52%) | 23848(80.37%) | 251(13.37%) | 0(0) | 90(14.61%) | 161(69.70%) | |||||||||||
| rN | 12(7,18) | 14(9,20) | 11(5,16) | 10(6,15) | < 0.001 | 10(5,14) | 11(7,15) | 8(3,13) | 7(4,11) | < 0.001 | |||||||||
| pN | 0(0,2) | 0(0,0) | 2(1,3) | 7(4,10) | < 0.001 | 0(0,2) | 0(0,0) | 1(0,3) | 4(3,7) | < 0.001 | |||||||||
| nN | 10(6,16) | 14(9,20) | 8(4,13) | 3(1,5) | < 0.001 | 8(4,13) | 11(7,14) | 6(3,11) | 2(1,4) | < 0.001 | |||||||||
| M stage | < 0.001 | < 0.001 | |||||||||||||||||
| M0 | 203532(84.83%) | 132809(94.26%) | 54777(78.81%) | 15946(53.99%) | 1739(92.70%) | 1002(97.38%) | 546(88.64%) | 191(82.68%) | |||||||||||
| M1 | 36400(15.17%) | 8086(5.74%) | 14727(21.19%) | 13587(46.01%) | 137(7.30%) | 27(2.62%) | 70(11.36%) | 40(17.32%) | |||||||||||
SEER: Surveillance, Epidemiology, and End Results; rN: number of retrieved lymph nodes; pN: number of positive lymph node; nN: number of negative lymph node.