Table 2.
Lymph node positivity and age within T stage groups in China dataset. Table 2. Lymph node positivity and age within T stage groups in China dataset.
| Age, year | No. | N1(%) | N2(%) | N3a(%) | N3b(%) |
|---|---|---|---|---|---|
| Total | |||||
| 18-39 | 479 | 67(14.0) | 85(17.7) | 102(21.3) | 76(15.9) |
| 40-49 | 768 | 121(15.8) | 121(15.8) | 137(17.8) | 85(11.1) |
| 50-59 | 1490 | 223(15.0) | 262(17.6) | 270(18.1) | 149(10.0) |
| 60-69 | 1504 | 235(15.6) | 290(19.3) | 251(16.7) | 123(8.2) |
| 70+ | 664 | 105(15.8) | 141(21.2) | 105(15.8) | 56(8.4) |
| P* | 0.777 | 0.521 | 0.037 | <0.0001 | |
| T stage T1 | |||||
| 18-39 | 97 | 8(8.2) | 13(13.4) | 8(8.2) | 3(3.1) |
| 40-49 | 159 | 22(13.8) | 12(7.5) | 7(4.4) | 1(0.6) |
| 50-59 | 258 | 26(10.1) | 17(6.6) | 2(0.8) | 2(0.8) |
| 60-69 | 286 | 26(9.1) | 15(5.2) | 8(2.8) | 2(0.7) |
| 70+ | 105 | 10(9.5) | 9(8.6) | 5(4.8) | 0(0.0) |
| P* | 0.460 | 0.145 | 0.185 | 0.121 | |
| T stage T2 | |||||
| 18-39 | 45 | 10(22.2) | 6(13.3) | 5(11.1) | 6(13.3) |
| 40-49 | 77 | 11(14.3) | 9(11.7) | 5(6.5) | 0(0.0) |
| 50-59 | 153 | 21(13.7) | 29(19.0) | 18(11.8) | 3(2.0) |
| 60-69 | 147 | 26(17.7) | 23(15.6) | 14(9.5) | 2(1.4) |
| 70+ | 64 | 16(25.0) | 6(9.4) | 5(7.8) | 0(0.0) |
| P* | 0.724 | 0.770 | 0.809 | 0.016 | |
| T stage T3 | |||||
| 18-39 | 70 | 12(17.1) | 11(15.7) | 18(25.7) | 12(17.1) |
| 40-49 | 81 | 12(14.8) | 22(27.2) | 11(13.6) | 7(8.6) |
| 50-59 | 187 | 32(17.1) | 35(18.7) | 28(15.0) | 17(9.1) |
| 60-69 | 199 | 38(19.1) | 46(23.1) | 30(15.1) | 12(6.0) |
| 70+ | 91 | 17(18.7) | 16(17.6) | 15(16.5) | 6(6.6) |
| P* | 0.828 | 0.550 | 0.212 | 0.039 | |
| T stage T4 | |||||
| 18-39 | 267 | 37(13.9) | 55(20.6) | 71(26.6) | 55(20.6) |
| 40-49 | 451 | 76(16.9) | 78(17.3) | 114(25.3) | 77(17.1) |
| 50-59 | 892 | 144(16.1) | 181(20.3) | 222(24.9) | 127(14.2) |
| 60-69 | 872 | 145(16.6) | 206(23.6) | 199(22.8) | 107(12.3) |
| 70+ | 404 | 62(15.3) | 110(27.2) | 80(19.8) | 50(12.4) |
| P* | 0.557 | 0.449 | 0.054 | 0.007 |
*Ptrend from Cochran Armitage trend test for lymph node positivity and age within T stage and N stage.