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Table 4 Microbiology of the patient cohort

From: Clinical course and significance of nontuberculous mycobacteria and its subtypes in cystic fibrosis

 

Patients with Slow-growing NTM (N = 17)

Patients with Rapidly Growing NTM (N = 8)

 

N

N (%)

N

N (%)

P-value

Common bacterial colonization at time of positive NTMa

17

 

8

  

P. aeruginosa

 

13 (76)

 

8 (100)

0.27

 Methicillin-susceptible S. aureus

 

13 (76)

 

5 (63)

0.64

 Methicillin-resistant S. aureus

 

6 (35)

 

3 (38)

0.99

S. maltophilia

 

4 (22)

 

4 (50)

0.36

Escherichia coli

 

1 (6)

 

0.99

A. baumannii

 

 

1 (13)

0.32

 None

 

1 (6)

 

0.99

History of ABPAb

     

 Before NTM infection

17

 

8

 

0.53

  No

 

14 (82)

 

8 (100)

  Yes

 

3 (18)

 

 After NTM infection

17

 

8

 

0.64

  No

 

13 (76)

 

5 (62)

  Yes

 

4 (24)

 

3 (38)

American Thoracic Society treatment criteria

16

 

6

  

 Clinical

 

11 (69)

 

6 (100)

0.27

 New changes on chest x-ray or computed tomography

 

7 (44)

 

3 (50)

0.99

 Two positive sputum or bronchoalveolar lavage

 

11 (69)

 

4 (67)

0.99

Received treatment for NTM

16

 

8

 

0.58

 No

 

14 (88)

 

6 (75)

 Yes

 

2 (12)

 

2 (25)

  1. aNontuberculous mycobacteria
  2. bAllergic bronchopulmonary aspergillosis