Table 1. Demographics of patient cohort.
| Variable | N (%) | Median OS days (months) | 95% CI | P-value |
|---|---|---|---|---|
| Overall group | 302 (100%) | 278 (9.2) | 247–308 | |
| Age | ||||
| <65 | 63 (21%) | 349 (11.6) | 257–440 | 0.157 |
| ⩾65 | 239 (79%) | 263 (8.7) | 229–296 | |
| Sex | ||||
| Male | 243(81%) | 275 (9.2) | 243–306 | 0.682 |
| Female | 59 (19%) | 291 (9.7) | 194–387 | |
| Subtype | ||||
| Epithelioid | 172 (57%) | 342 (11.4) | 277–406 | <0.0001 |
| Non-epithelioid | 130 (43%) | 205 (6.8) | 146–260 | |
| Biphasic | 82 (27%) | 216 (7.2) | 152 to279 | |
| Sarcomatoid | 41 (14%) | 187 (6.2) | 112 to261 | |
| Undefined | 7 (2%) | |||
|
Intervention | ||||
| Chemotherapy status known | ||||
| Overall | 166 | 280 (9.3) | 239–320 | <0.0001 |
| Yes | 61 (37%) | 460 (15.3) | 360–559 | |
| No | 105 (63%) | 205 (6.8) | 159–250 | |
| Chemotherapy status unknown | 136 | |||
| Surgery | ||||
| Overall | 295 | 279 (9.3) | 247–310 | 0.735 |
| Radical | 36 (12%) | 330 (11.0) | 185–474 | |
| Palliative | 259 (86%) | 274 (9.1) | 242–305 | |
| No surgery | 7(2%) | |||
Abbreviations: OS=overall survival; CI=confidence interval.
Significant log rank P-value<0.05. Bold values indicate statistical significance.