TABLE 1.
Demographic information of cohort and comparison of three subgroups.
| Variables | Results (N = 160) | p‐value comparison between 3 groups |
|---|---|---|
| Sex | 0.437 | |
| Female | 66 (41.5) | |
| Male | 93 (58.5) | |
| Unknown | 1 | |
| Age (years) | 0.829 | |
| Mean (std) | 68.06 (7.93) | |
| Smoking status | 0.923 | |
| Never | 5 (3.2) | |
| Current | 47 (29.7) | |
| Former | 106 (67.1) | |
| Comorbidities | ||
| Hypertension | 82 (51.6) | 0.293 |
| COPD | 49 (30.8) | 0.276 |
| Type 2 diabetes | 30 (18.9) | 0.319 |
| Previous history of cancer | 31 (19.5) | 0.108 |
| Family history of cancer | ||
| No | 33 (20.8) | 0.830 |
| First degree | 101 (63.5) | 0.781 |
| Second degree | 38 (23.9) | 0.247 |
| Yes, degree unknown | 2 (1.3) | 0.472 |
| Death at end of follow‐up | 0.011 | |
| Yes | 105 (66) | |
| Histology at diagnosis | ||
| Adenocarcinoma | 110 (69.2) | |
| Squamous cell carcinoma | 27 (17.0) | |
| Adenosquamous | 3 (1.9) | |
| Large cell carcinoma | 4 (2.5) | |
| NSCLC, NOS | 13 (8.2) | |
| Other | 2 (1.3) | |
| Metastatic sites at time of diagnosis | ||
| Brain | 38 (23.9) | 0.457 |
| Liver | 22 (13.8) | 0.796 |
| Bone | 42 (26.4) | 0.502 |
| PD‐L1 TPS >50 | <0.001 | |
| No | 57 (45.7) | |
| Yes | 63 (52.5) | |
| Unknown | 40 | |
| Group | ||
| ChemoImmuno1 | 39 (24.4) | |
| Chemo1 | 56 (35.0) | |
| Immuno1 | 65 (40.6) | |
| Number of radiation treatments received during course of treatment | 0.178 | |
| 0 | 46 (28.8) | |
| 1 | 72 (45.0) | |
| 2 | 26 (16.3) | |
| 3 | 7 (4.4) | |
| 4 | 9 (5.6) |
Abbreviation: COPD, chronic obstructive pulmonary disease; NOS, not otherwise specified; NSCLC, non‐small cell lung cancer.