Table 1.
Patient characteristic between two groups
| Characteristics | Nonrecurrence (n = 107) | Recurrence (n = 120) | P-value |
|---|---|---|---|
| Age, mean ± SD | 61.4 ± 10.5 | 62.8 ± 10.5 | 0.322 |
| Male, n (%) | 64 (59.8) | 69 (57.5) | 0.788 |
| Smoking | 0.820 | ||
| Never smoked | 30 (28.0) | 30 (25.0) | |
| Stopped smoking | 71 (66.4) | 80 (66.7) | |
| Active smoker | 5 (4.7) | 7 (5.8) | |
| Passive smoker | 1 (0.9) | 3 (2.5) | |
| Packs per year, mean ± SD | 19.1 ± 16.9 | 19.1 ± 17.7 | 0.863 |
| Family history of malignancy | 7 (6.5) | 5 (4.2) | 0.555 |
| Underlying disease | |||
| Chronic lung disease | 14 (13.1) | 15 (12.5) | 1.000 |
| Diabetic mellitus | 12 (11.2) | 15 (12.5) | 0.839 |
| Essential hypertension | 34 (31.8) | 43 (35.8) | 0.575 |
| Dyslipidemia | 18 (16.8) | 15 (12.5) | 0.451 |
| Symptoms | |||
| Hemoptysis | 48 (44.9) | 48 (40.0) | 0.502 |
| Chronic cough | 48 (44.9) | 52 (43.3) | 0.894 |
| Poor appetite | 16 (15.0) | 15 (12.5) | 0.699 |
| Significant weight loss | 33 (30.8) | 30 (25.0) | 0.374 |
| Chest pain | 9 (8.4) | 11 (9.2) | 1.000 |
| Dyspnea | 17 (15.9) | 25 (20.8) | 0.393 |
| Asymptomatic | 38 (35.5) | 43 (35.8) | 1.000 |
Abbreviation: SD, standard deviation.