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Table 1 Demographic and clinical characteristics of the study subjects

From: The lung microbiota in Korean patients with non-tuberculous mycobacterial pulmonary disease

Variable NTM-PD group
(n = 11)
Control group
(n = 10)
p-value*
Age, years 57 [23–74] 57.5 [33–83] 0.863
Female (%) 8 (72.7) 6 (60.0) 0.537
BMI (kg/m2) 20.4 [18.1–22.0] 25.6 [17.6–31.3] 0.012
Height (cm) 159.8 [152.5–183.0] 162.4 [140.0–172.0] 1.000
Weight (kg) 52.0 [45.0–63.0] 60.6 [46.4–85.1] 0.051
Smoking status (%)    0.709
 Never-smoker 8 (72.7) 7 (70.0)  
 Ex-smoker 1 (9.1) 2 (20.0)  
 Current smoker 2 (18.2) 1 (10.0)  
Smoking level (pack-years) 35.0 [10.0–60.0] 11.4 [10.0–40.0] 0.800
Comorbidity
 Hypertension 1 (9.1) 1 (10.0) 1.000
 Hyperlipidemia 1 (9.1)   1.000
 Parkinson’s disease   1 (10.0) 0.476
Past medical history
 Pneumonia 1 (9.1)   1.000
 Tuberculosis 1 (9.1) 2 (20.0) 1.000
 Pulmonary embolism   1 (10.0) 0.476
 Canine space abscess 1 (9.1)   1.000
 Colon polyp 1 (9.1)   1.000
Final diagnosis after bronchoscopy (in control group)
 Bronchiectasis with endobronchial secretion   6 (60.0)  
 Anthracosis   2 (20.0)  
 Benign bronchial stenosis   1 (10.0)  
 Endobronchial secretion   1 (10.0)  
  1. Data are shown as medians (with ranges) or frequencies (with % values)
  2. NTM-PD nontuberculous mycobacterial pulmonary disease, BMI body mass index
  3. *p-values < 0.05 are shown in bold for comparisons between the NTM-PD and control groups