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Table 1 Patients characteristics and co-morbidities as seen in both patient groups at the time of the first interventional bronchoscopy procedure performed.

From: Post tracheostomy and post intubation tracheal stenosis: Report of 31 cases and review of the literature

  PT group (n = 20) PI group (n = 11)
Male/female* 7/13 1/10
Age (median-range) 58.2 (28–86) 50.2 (21–76)
Body Mass Index (mean ± SD) 34.1 ± 8.9 32.3 ± 9.6
Diabetes mellitus 8 (40%) 3 (27%)
Cardiovascular disease 9 (45%) 5 (45%)
Coronary Artery Bypass Graft 3 (15%) 2 (18%)
Systemic Hypertension 11 (55%) 5 (45%)
Gastro Esophageal Reflux Disease 6 (30%) 2 (18%)
Chronic Obstructive Pulmonary Disease 3 (15%) 2 (18%)
Asthma 2 (10%) 2 (18%)
Obstructive sleep apnea 3 (15%) 0
Hypothyroidsm 3 (15%) 0
Alcohol 4 (20%) 2 (18%)
Smoking 7 (35%) 5 (45%)
Corticosteroid therapy 2 (10%) 2 (18%)
  1. *female predominance is seen in both groups, PI: post intubation, PT: post tracheostomy, SD: standard deviation.