Table 1.
Patient characteristics
| Characteristics | N = 72 |
|---|---|
| Gender | |
| Male | 67 |
| Female | 5 |
| Smoking index (packs/year) | |
| < 30 | 10 |
| ≥ 30 | 62 |
| Interstitial pneumonia | |
| Absent | 50 |
| Present | 22 |
| SCC | |
| ≤ 1.6 | 39 |
| > 1.6 | 32 |
| Unknown | 1 |
| Neoadjuvant therapy | |
| + | 9 |
| − | 63 |
| Type of resection | |
| Sublobar | 9 |
| Lobectomy or more | 63 |
| Pleural invasion | |
| 0 | 51 |
| 1 | 8 |
| 2 | 3 |
| 3 | 10 |
| Lymphatic invasion | |
| 0 | 60 |
| 1 | 12 |
| Vascular invasion | |
| 0 | 28 |
| 1 | 44 |
| Pathological stage | |
| 0 | 1 |
| IA | 20 |
| IB | 15 |
| IIA | 11 |
| IIB | 8 |
| IIIA | 17 |
| PD‐L1 expression | |
| 0% | 19 |
| 1–49% | 36 |
| ≥ 50% | 8 |
| Unknown | 9 |
| Postoperative complication | |
| + | 24 |
| − | 48 |
| Status | |
| Alive | 39 |
| Died | 31 |
| Unknown | 2 |
SCC, squamous cell carcinoma‐related antigen.