Table 4.
Univariate analysis of disease‐free survival and clinicopathological characteristics (log‐rank test)
| Variables | n (%) | P‐value |
|---|---|---|
| Age ≥ 75 years | 43 (24.9%) | 0.719 |
| Male sex | 30 (17.3%) | 0.331 |
| Smoking history | 106 (61.3%) | 0.181 |
| BMI <18.5 (kg/m2) | 27 (15.6%) | 0.099 |
| CCI ≥3 | 30 (17.3%) | 0.046 |
| Albumin <3.9 g/dL | 24 (13.9%) | 0.009 |
| FEV1.0% <70% | 46 (26.6%) | 0.154 |
| Sarcopenia | 58 (33.5%) | 0.932 |
| PNI < 40 | 7 (4%) | 0.043 |
| Nonadenocarcinoma | 30 (17.3%) | 0.569 |
| Solid component diameter > 20 mm | 43 (24.9%) | <0.01 |
| Lymph node metastasis | 19 (11%) | <0.01 |
| Postoperative complication | 38 (22%) | 0.003 |
BMI, body mass index; CCI, Charlson Comorbidity Index; FEV1.0%, forced expiratory volume in 1 second as a percent of forced vital capacity; PNI, prognostic nutritional index.