Table 3 Symptoms and radiologic findings according to smoking status
From: Characteristics and clinical outcomes of patients with nonsmoking small cell lung cancer in Korea
Never-smoker | Ever-smoker (current + ex) | P value | |
|---|---|---|---|
Symptoms at the diagnosis | 122 (79.2%) | 673 (75.7%) | 0.575 |
Cough | 62 (40.3%) | 401 (45.1%) | 0.264 |
Sputum | 36 (23.4%) | 244 (27.4%) | 0.293 |
Dyspnea | 54 (35.1%) | 266 (29.9%) | 0.201 |
Hoarseness | 5 (3.2%) | 35 (3.9%) | 0.680 |
Hemoptysis | 4 (2.6%) | 57 (6.4%) | 0.063 |
Weight loss | 5 (3.2%) | 76 (8.5%) | 0.023 |
Radiologic findings | |||
The largest diameter | 4.92 ± 2.54 | 4.98 ± 2.49 | 0.807 |
Obstructive pneumonia | 29 (19.0%) | 168 (18.9%) | 0.427 |
Chest wall invasion | 3 (1.9%) | 30 (3.4%) | 0.350 |
Diaphragm invasion | 3 (1.9%) | 11 (1.2%) | 0.479 |
Pleural invasion | 31 (20.1%) | 127 (14.3%) | 0.062 |
Pericardium invasion | 6 (3.9%) | 20 (2.2%) | 0.226 |
Mediastinum invasion | 27 (17.5%) | 152 (17.1%) | 0.895 |
Heart invasion | 1 (0.6%) | 8 (0.9%) | 0.756 |
Trachea invasion | 1 (0.6%) | 16 (1.8%) | 0.298 |
Esophagus invasion | 1 (0.6%) | 13 (1.5%) | 0.418 |
Vertebra invasion | 1 (0.6%) | 7 (0.8%) | 0.856 |
Great vessel invasion | 25 (16.2%) | 170 (19.1%) | 0.396 |
Phrenic nerve invasion | 0 (0.0%) | 1 (0.1%) | 0.677 |
Recurrent laryngeal nerve invasion | 2 (1.3%) | 2 (0.2%) | 0.047 |
Cervical sympathetic | 0 (0.0%) | 1 (0.1%) | 0.677 |
Main bronchus invasion | 14 (9.2%) | 129 (14.5%) | 0.006 |