Table 2 Log-rank analysis stratified by the number of CLNMs demonstrating the risk of lateral neck recurrence
From: Risk stratification of lateral neck recurrence for patients with pN1a papillary thyroid cancer
Numbers of central lymph node metastases | 5-year LRFS rate | P value | |||||
|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | ≥ 6 | ||
1(n = 977) | 0.986 | — | 0.212 | 0.518 | 0.000 | 0.000 | 0.000 |
2(n = 573) | 0.973 | 0.212 | — | 0.703 | 0.000 | 0.000 | 0.000 |
3(n = 354) | 0.978 | 0.518 | 0.703 | — | 0.001 | 0.000 | 0.000 |
4(n = 221) | 0.908 | 0.000 | 0.000 | 0.001 | — | 0.452 | 0.694 |
5(n = 138) | 0.893 | 0.000 | 0.000 | 0.000 | 0.452 | — | 0.567 |
≥ 6(n = 237) | 0.912 | 0.000 | 0.000 | 0.000 | 0.694 | 0.567 | — |