Table 4.
Association of age and number of positive LNs in node-positive patients in China dataset.
| Age, year | N | Mean | SEM | RR(95% CI) | P |
|---|---|---|---|---|---|
| T1 (n=905) | |||||
| 18-39 | 97 | 2.608 | 0.624 | 2.979 (2.484-3.572) | <0.0001 |
| 40-49 | 159 | 1.126 | 0.256 | 1.317 (1.084-1.602) | 0.006 |
| 50-59 | 258 | 0.698 | 0.169 | 0.818 (0.674-0.993) | 0.042 |
| 60-69 | 286 | 0.836 | 0.186 | Reference | |
| 70+ | 105 | 0.838 | 0.193 | 0.958 (0.746-1.230) | 0.737 |
| P* | <0.0001 | ||||
| T2 (n=486) | |||||
| 18-39 | 45 | 4.889 | 1.079 | 1.850 (1.555-2.200) | <0.0001 |
| 40-49 | 77 | 1.429 | 0.339 | 0.556 (0.448-0.693) | <0.0001 |
| 50-59 | 153 | 2.392 | 0.334 | 0.977 (0.841-1.134) | 0.758 |
| 60-69 | 147 | 2.327 | 0.441 | Reference | |
| 70+ | 64 | 1.609 | 0.381 | 0.639 (0.512-0.798) | <0.0001 |
| P* | 0.001 | ||||
| T3 (n=628) | |||||
| 18-39 | 70 | 8.829 | 1.551 | 1.662 (1.494-1.849) | <0.0001 |
| 40-49 | 81 | 4.469 | 0.663 | 0.973 (0.860-1.102) | 0.667 |
| 50-59 | 187 | 5.064 | 0.634 | 1.058 (0.964-1.134) | 0.233 |
| 60-69 | 199 | 4.467 | 0.460 | Reference | |
| 70+ | 91 | 4.044 | 0.642 | 1.015 (0.898-1.147) | 0.809 |
| P* | 0.001 | ||||
| T4 (n=2886) | |||||
| 18-39 | 267 | 9.449 | 0.663 | 1.341 (1.278-1.407) | <0.0001 |
| 40-49 | 451 | 8.100 | 0.533 | 1.132 (1.085-1.180) | <0.0001 |
| 50-59 | 892 | 7.647 | 0.335 | 1.143 (1.104-1.184) | <0.0001 |
| 60-69 | 872 | 6.521 | 0.280 | Reference | |
| 70+ | 404 | 6.693 | 0.472 | 1.100 (1.050-1.152) | <0.0001 |
| P* | <0.0001 |
*P-value from the one-way ANOVA test.