| Cancer-specific death (%) | P value | Other causes death (%) | P Value | ||||
---|---|---|---|---|---|---|---|---|
Before PSM | 1-year CIF | 3-year CIF | 5-year CIF | 1-year CIF | 3-year CIF | 5-year CIF | ||
 Lobectomy | 0.12 | 0.29 | 0.39 | < 0.01 | 0.03 | 0.07 | 0.10 | < 0.01 |
 Sub-lobectomy | 0.17 | 0.39 | 0.47 |  | 0.03 | 0.11 | 0.16 |  |
After PSM | ||||||||
 Lobectomy | 0.12 | 0.3 | 0.34 | 0.04 | 0.03 | 0.07 | 0.11 | 0.05 |
 Sub-lobectomy | 0.15 | 0.37 | 0.45 |  | 0.04 | 0.11 | 0.17 |  |