| Before PSM | After PSM | ||
---|---|---|---|---|
Surgery vs. non-surgery (HR; 95% CI) | p value | Surgery vs. non-surgery (HR; 95% CI) | p value | |
Median OS | 24 vs. 4(0.28, 0.27–0.29) | < 0.001 | 21 vs. 5(0.36, 0.34–0.40) | < 0.001 |
Median CSS | 24 vs. 4(0.27, 0.26–0.29) | < 0.001 | 21 vs. 5(0.35, 0.32–0.39) | < 0.001 |