TABLE 4.
Univariate analyses of factors for progression‐free survival and overall survival.
| Parameters | n | Progression‐free survival | Overall survival | ||
|---|---|---|---|---|---|
| HR (95% CI) | p‐value | HR (95% CI) | p‐value | ||
| Age | |||||
| <65 years | 12 | 1.02 (0.46–2.22) | 0.96 | 0.44 (0.12–1.32) | 0.15 |
| ≥65 years | 18 | – | – | ||
| Sex | |||||
| Female | 10 | 0.87 (0.37–1.93) | 0.74 | 0.56 (0.59–6.49) | 0.32 |
| Male | 20 | – | – | ||
| Smoking history | |||||
| Never | 8 | 1.41 (0.54–3.28) | 0.46 | 0.35 (0.05–1.30) | 0.13 |
| Ever | 22 | – | – | ||
| Pathological stage | |||||
| II | 4 | 0.79 (0.19–2.32) | 0.70 | 0.42 (0.02–2.14) | 0.35 |
| III, IV | 26 | – | – | ||
| Disease‐free survival | |||||
| <12 months | 13 | 1.53 (0.68–3.32) | 0.29 | 5.05 (1.69–16.9) | 0.0038 |
| ≥12 months | 17 | – | – | ||
| ICI combination | |||||
| No | 23 | 1.54 (0.66–4.26) | 0.33 | 0.91 (0.28–4.08) | 0.89 |
| Yes | 7 | – | – | ||
Abbreviations: CI, confidence interval; HR, hazard ratio; ICI, immune‐checkpoint inhibitor.