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Table 1 Clinical characteristics of 244 Mycobacterium avium complex lung disease patients with and without chronic Pseudomonas aeruginosa infection

From: Impact of chronic Pseudomonas aeruginosa infection on health-related quality of life in Mycobacterium avium complex lung disease

Characteristic All patients
(n = 244)
With chronic infection
(n = 19)
Without chronic infection
(n = 225)
P value
Age, years 68 (62–75) 74 (67–76) 67 (61–75) 0.055
Sex, female 196 (80) 14 (74) 182 (81) 0.546
Disease duration, years 5.7 (2.3–9.7) 5.3 (2.3–10.3) 5.8 (2.3–9.6) 0.622
Body mass index, kg/m2 19.5 (17.5–21.3) 18.8 (17.3–21.2) 19.6 (17.5–21.3) 0.515
Smoking status     1.000
 Never 220 (90) 17 (89) 202 (90)  
 Former 25 (10) 2 (11) 23 (10)  
 Current 0 (0) 0 (0) 0 (0)  
Charlson Comorbidity Index 0 (0–1) 1 (1–1) 0 (0–1) 0.048
Underlying pulmonary disease     
 History of pulmonary TB 23 (9) 4 (21) 19 (8) 0.089
 Asthma 8 (3) 1 (1) 7 (3) 0.482
 COPD 2 (1) 0 (0) 2 (1) 1.000
 Lung cancer 3 (1) 1 (1) 2 (1) 1.000
 Interstitial lung disease 1 (0.4) 0 (0) 1 (0.4) 1.000
Treatment status     0.452
 Never 116 (48) 10 (53) 106 (47)  
 Previous 40 (16) 1 (5) 39 (17)  
 Current 88 (36) 8 (42) 80 (36)  
Bacterial statusa     
 Positive smear 83 (34) 3 (15) 80 (36) 0.083
 Positive culture 138 (57) 7 (37) 131 (59) 0.090
  1. Data show the median (interquartile range) or number (%) of patients
  2. TB, tuberculosis; COPD, chronic obstructive pulmonary disease
  3. aBacterial status for mycobacterium