Table 1 Clinical characteristics of 59 pLCNEC patients
Variables | Value (N = 59) |
|---|---|
Sex ratio (male:female) | 48:11 |
Median age (years) | 62 (38–79) |
Median disease duration (months) | 2 (0.5–18) |
Smoking/non-smoking | 43:16 |
Family history of malignancy | 4 (6.8%) |
Initial symptoms | Â |
 Asymptomatic | 25 (42.4%) |
 Cough | 16 (27.1%) |
 Bloody sputum | 12 (20.3%) |
 Chest and back pain | 4 (6.8%) |
 Fever | 3 (5.1%) |
 Chest tightness | 4 (6.8%) |
Median tumour size (cm) | 3.0 (1.0–12.0) |
Peripheral type/central type | 36:23 |
Scope of surgical resection | Â |
 Lobectomy | 41 (69.5%) |
 Combined lobectomy | 13 (22.0%) |
 Sublobar resection | 5 (8.5%) |
Surgical approach | Â |
 VATS | 23 (39.0%) |
 PLT | 36 (61.0%) |
Pathological type (pure:mixed) | 51:8 |
Postoperative TNM stage | Â |
 I | 25 (42.4%) |
 II | 12 (20.3%) |
 III | 15 (25.4%) |
 IV | 7 (11.9%) |
 Median Ki-67 index | 72.5 (40–95) |
AT | Â |
 nd | 15 (25.4%) |
 Ct | 35 (59.3%) |
 Rt | 1 (1.7%) |
 Ct and Rt | 8 (13.6%) |
Perioperative complications | Â |
 Pulmonary infection | 2 (3.4%) |
 Respiratory failure | 1 (1.7%) |
 Acute cerebral infarction | 2 (3.4%) |
 Air leakage | 1 (1.7%) |
 Arrhythmia | 1 (1.7%) |