Table 2 Characteristics of patients receiving fiberoptic bronchoscopy examination
From: Diagnosis of pulmonary nodules by DNA methylation analysis in bronchoalveolar lavage fluids
Clinical features | Lung cancer | Benign diseases | Total |
|---|---|---|---|
Age | Â | Â | Â |
 > 60 | 45 (50%) | 26 (28.9%) | 71 (38.17%) |
 ≤ 60 | 45 (50%) | 70 (77.8%) | 115 (61.83%) |
Sex | Â | Â | Â |
Male | 55 (61.1%) | 56 (62.2%) | 111 (59.68%) |
Female | 35 (38.9%) | 40 (44.4%) | 75 (40.32%) |
Smoking history | Â | Â | Â |
Current | 23 (25.6%) | 21 (23.3%) | 44 (23.66%) |
Former | 25 (27.8%) | 16 (17.8%) | 41 (22.04%) |
Never | 42 (46.7%) | 59 (65.6%) | 101 (54.30%) |
Unknown | Â | Â | Â |
Tumor stage | Â | Â | Â |
Stage I | 54 (60.00%) | Â | Â |
Stage II | 4 (4.44%) | Â | Â |
Stage III | 7 (7.78%) | Â | Â |
Stage IV | 13 (14.44%) | Â | Â |
unknown | 12 (13.33%) | Â | Â |
Histology subtype | Â | Â | Â |
Adenosquamous carcinoma | 63 (70.0%) | Â | Â |
Small cell carcinoma | 1 (1.1%) | Â | Â |
Squamous cell carcinomas | 13 (14.4%) | Â | Â |
unknown | 13 (14.4%) | Â | Â |
Atypical adenomatous hyperplasia | Â | 5 (5.2%) | Â |
Hamartoma | Â | 6 (6.3%) | Â |
Infection | Â | 13 (13.5%) | Â |
Inflammation | Â | 49 (51%) | Â |
Tuberculosis | Â | 14 (14.6%) | Â |
Unknown | Â | 9 (9.4%) | Â |
Total | 90 (48.39%) | 96 (51.61%) | 186 |