Table 1. Characteristics of the 141 patients with complete resected early-stage NSCLC with recurrence.
| Characteristics | Determination, n (%) |
|---|---|
| Sex | |
| Male | 110 (78.0) |
| Female | 31 (22.0) |
| Age at initial operation(y) | |
| Mean | 63.6 |
| Median [range] | 65.0 [40-79] |
| Age at recurrence(y) | |
| Mean | 65.4 |
| Median [range] | 67.1 [50-80] |
| Comorbidity number | |
| 0 or 1 | 108 (76.6) |
| ≥2 | 33 (23.4) |
| Smoking | |
| Non | 48 (34.0) |
| Current/past | 82 (58.2) |
| Tumor location | |
| Upper (including middle) | 89 (63.1) |
| Lower | 41 (29.1) |
| Tumor laterality | |
| Right | 78 (55.3) |
| Left | 63 (44.7) |
| Resection type | |
| Lobectomy | 106 (75.2) |
| Bilobectomy/pneumonectomy | 35 (24.8) |
| Tumor size (cm) | |
| Mean | 3.8 |
| Median [range] | 3.5 [1-9] |
| Stage | |
| IA | 26 (18.4) |
| IB | 51 (36.2) |
| IIA | 18 (12.8) |
| IIB | 46 (32.6) |
| Cell type | |
| Adenocarcinoma | 74 (52.5) |
| Squamous cell carcinoma | 53 (37.6) |
| Others | 14 (9.9) |
| N stage | |
| N0 | 91 (64.5) |
| N1 | 50 (35.5) |
| Histologic grade | |
| Poor | 37 (26.2) |
| Moderate/well | 87 (61.7) |
| Adjuvant therapy | |
| Non | 110 (78.0) |
| Received | 31 (22.0) |
NSCLC, non-small cell lung cancer.