Table 1. Characteristics and differences of the patients.
| Characteristics | Arterial-ligation-alone (n=99) | No arterial-ligation-alone (n=5) | P value |
|---|---|---|---|
| Age (years) | 56.5±9.82 | 60.4±4.77 | 0.385 |
| Female | 56 (56.6) | 4 (80.0) | 0.246 |
| Smoking history (yes) | 39 (39.4) | 1 (20.0) | 0.394 |
| FEV1, (%) | 102.7±16.37 | 83.7±23.80 | 0.015* |
| Nodule diameter (cm) | 1.1±0.34 | 1.2±0.26 | 0.731 |
| Thoracoscopic lobectomy | 14 (14.1) | 5 (100.0) | – |
| Lesion location | |||
| RUL | 23 (23.2) | 1 (20.0) | – |
| RLL | 24 (24.2) | 1 (20.0) | – |
| LUL | 38 (38.4) | 2 (40.0) | – |
| LLL | 14 (14.1) | 1 (20.0) | – |
| Pathological diagnose | |||
| Benign | 3 (3.0) | 0 (0.0) | – |
| AAH | 4 (4.0) | 1 (20.0) | – |
| AIS | 58 (58.6) | 2 (40.0) | – |
| MIA | 20 (20.2) | 1 (20.0) | – |
| IAC | 14 (14.1) | 1 (20.0) | – |
| Mortality | 0 (0.0) | 0 (0.0) | – |
Data are presented as mean ± standard deviation, number (percentage). *, P<0.05. FEV1, forced expiratory volume in 1 second; RUL, right upper lobe; RLL, right lower lobe; LUL, left upper lobe; LLL, left lower lobe; AAH, atypical adenomatous hyperplasia; AIS, adenocarcinoma in situ; MIA, minimally invasive adenocarcinoma; IAC, invasive adenocarcinoma.