Table 2.
Characteristics of patients receiving fiberoptic bronchoscopy examination
| Clinical features | Lung cancer | Benign diseases | Total |
|---|---|---|---|
| Age | |||
| > 60 | 45 (50%) | 26 (28.9%) | 71 (38.17%) |
| ≤ 60 | 45 (50%) | 70 (77.8%) | 115 (61.83%) |
| Sex | |||
| Male | 55 (61.1%) | 56 (62.2%) | 111 (59.68%) |
| Female | 35 (38.9%) | 40 (44.4%) | 75 (40.32%) |
| Smoking history | |||
| 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 | |||
| Tumor stage | |||
| Stage I | 54 (60.00%) | ||
| Stage II | 4 (4.44%) | ||
| Stage III | 7 (7.78%) | ||
| Stage IV | 13 (14.44%) | ||
| unknown | 12 (13.33%) | ||
| Histology subtype | |||
| Adenosquamous carcinoma | 63 (70.0%) | ||
| Small cell carcinoma | 1 (1.1%) | ||
| Squamous cell carcinomas | 13 (14.4%) | ||
| unknown | 13 (14.4%) | ||
| Atypical adenomatous hyperplasia | 5 (5.2%) | ||
| Hamartoma | 6 (6.3%) | ||
| Infection | 13 (13.5%) | ||
| Inflammation | 49 (51%) | ||
| Tuberculosis | 14 (14.6%) | ||
| Unknown | 9 (9.4%) | ||
| Total | 90 (48.39%) | 96 (51.61%) | 186 |