Table 1.
The survival characteristics of the node-negative and node-positive subgroups.
| Number of NLNs | All patients(n=579) | node-negative patients(n=344) | node-positive patients(n=235) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| No | MST(m) | 3-year survival (%) | No | MST(m) | 3-year survival (%) | No | MST(m) 3-year survival (%) | ||
| 0-9 | 120 | 13 | 21.7% (26/120) | 43 | 18 | 34.9% (15/43) | 77 | 12 | 14.3% (11/77) |
| 10-14 | 165 | 27 | 40.0% (66/165) | 108 | 36 | 50.9% (55/108) | 57 | 22 | 19.3% (11/57) |
| 15-19 | 152 | 39 | 61.2% (92/152) | 96 | 42.5 | 65.6% (63/96) | 56 | 36 | 51.8% (29/56) |
| ≥20 | 142 | 47 | 77.5% (110/142) | 97 | 48 | 89.0%(79/97) | 45 | 45 | 68.9% (31/45) |