Number of lymph nodes examined | No. patients | No. events | Adjusted model * | |
---|---|---|---|---|
Hazard ratio (95% confidence interval) | P value | |||
Fewer than 9 a | 51 | 20 | 1.00 (reference) | |
At least 9 a | 407 | 98 | 0.43 (0.26, 0.73) | 0.002 |
Fewer than 9 b | 51 | 20 | 1.00 (reference) | |
At least 9 b | 407 | 98 | 0.45 (0.27, 0.77) | 0.003 |