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Table 1 Univariate analysis of slowly and rapidly growing nontuberculous mycobacterial infections among 64 patients in Seobuk hospital, South Korea

From: Nontuberculosis mycobacterial infections at a specialized tuberculosis treatment centre in the Republic of Korea

Variable SGM (n = 33) RGM (n = 31) p-value
Species M.avium complex 29 M.abscessus complex 27  
M.avium 13 M.fortuitum complex 4
M.intracellulare 16
M.kansasii 4
Age (years), Mean ± SD 65.5 ± 15.5 61.7 ± 15.9 NS
Sex, n (%)    NS
Male 21 (63.6) 16 (51.6)  
Female 12 (36.4) 15 (48.4)  
Chest X-ray, n (%)    NS
Bronchiectasis 13 (39.4) 14 (45.2)  
Cavity 11 (33.3) 16 (51.6)  
Destroyed lung 6 (18.2) 6 (19.4)  
Nodule 18 (54.5) 15 (48.4)  
Infiltration 27 (81.8) 24 (77.4)  
Fibrosis 27 (81.8) 18 (58.1)  
Smoking, n (%) 7 (21.2) 8 (25.8) NS
Alcoholic consumption, n (%) 4 (12.1) 8 (25.8) NS
History of pulmonary tuberculosis, n (%) 23 (69.7) 26 (83.9) NS
History of recurrent tuberculosis, n (%) 5 (15.2) 14 (45.2) NS
History of multi-drug resistant tuberculosis, n (%) 3 (9.1) 6 (19.4) NS
Current tuberculosis, n (%) 1 (3.0) 9 (29.0) .041
Symptom screening, n (%)
 Chronic Fatigue 26 (78.8) 23 (74.2) NS
 Cough 31 (93.9) 30 (96.8) <.05
 Sputum 29 (87.9) 29 (93.5) .011
 Hemoptysis 8 (24.2) 10 (32.3) NS
 Dyspnea on exertion 11 (33.3) 9 (29.0) NS
 Fever 2 (6.1) 4 (12.9) NS
 Chest pain 3 (9.1) 4 (12.9) NS
Weight (kg), Mean ± SD 49.1 ± 7.1 52.6 ± 13.5 NS
Hemoglobin (g/dL), Mean ± SD 12.2 ± 1.2 12.4 ± 2.0 NS
WBC (/mm3), Mean ± SD 6967.7 ± 2043.6 6867.9 ± 2463.3 NS
Protein (g/dL), Mean ± SD 7.2 ± 0.7 7.0 ± 0.8 NS
Albumin (g/dL), Mean ± SD 3.8 ± 0.5 3.8 ± 0.6 NS
AST (IU), Mean ± SD 24.6 ± 12.5 24.6 ± 12.2 NS
ALT (IU), Mean ± SD 15.2 ± 8.8 17.9 ± 18.8 NS
Glucose (mg/dL), Mean ± SD 107.4 ± 25.3 100.7 ± 23.3 NS
CRP (mg/dL), Mean ± SD 3.3 ± 3.4 3.0 ± 3.8 NS
Creatinine (mg/dL), Mean ± SD 0.8 ± 0.2 0.9 ± 0.3 NS
  1. SGM slowly growing nontuberculous mycobacteria; RGM rapidly growing nontuberculous mycobacteria, NS not statistically significant (p > 0.05). WBC white blood cell count; AST aspartate transaminase; ALT alanine transaminase; CRP C-reactive protein