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Table 1 Species, patients’ age and site of infection of NTM isolated at the Clinical Mycobacteriology Laboratory of Pisa University Hospital during years 2004–2014

From: Increase in non-tuberculous mycobacteria isolated from humans in Tuscany, Italy, from 2004 to 2014

NTM species

No. of isolates (% of total isolates)

No. of isolates (% of species isolates)

Patient age range

Site of isolation

1–10

11–20

21–30

31–40

41–50

51–60

61–70

71–80

>80

Respiratory tract

Blood

Lymph node

Othera

M. avium

61 (41.5)

8 (13.1)

2 (3.3)

1 (1.6)

8 (13.1)

7 (11.5)

9 (14.8)

20 (32.8)

6 (9.8)

40 (65.6)

4 (6.6)

11 (18.0)

6 (9.8)

M. intracellulare

21 (14.3)

3 (14.3)

2 (9.5)

2 (9.5)

5 (23.8)

6 (28.6)

3 (14.3)

17 (81.0)

4 (19.0)

M. gordonae

17 (11.6)

3 (17.6)

4 (23.5)

2 (11.8)

3 (17.6)

4 (23.5)

1 (5.9)

14 (82.4)

3 (17.6)

M. xenopi

14 (9.5)

5 (35.7)

2 (14.3)

2 (14.3)

4 (28.6)

1 (7.1)

14 (100.0)

M. fortuitum

10 (6.8)

1 (10.0)

2 (20.0)

3 (30.0)

4 (40.0)

7 (70.0)

3 (30.0)

M. kansasii

7 (4.8)

1 (14.3)

1 (14.3)

4 (57.1)

1 (14.3)

7 (100.0)

M. celatum

3 (2.0)

1 (33.3)

1 (33.3)

1 (33.3)

2 (66.6)

1 (33.3)

M. abscessus

2 (1.4)

1 (50.0)

1 (50.0)

1 (50.0)

1 (50.0)

M. chelonae

2 (1.4)

1 (50.0)

1 (50.0)

2 (100.0)

M. marinum

2 (1.4)

2 (100.0)

2 (100.0)

M. lentiflavum

2 (1.4)

2 (100.0)

2 (100.0)

M. simiae

2 (1.4)

1 (50.0)

1 (50.0)

2 (100.0)

M. scrofulaceum

1 (0.7)

––

1 (100.0)

1 (100.0)

M. triplex

1 (0.7)

1 (100.0)

1 (100.0)

M. phocaicum

1 (0.7)

1 (100.0)

1 (100.0)

M. bolletii

1 (0.7)

1 (100.0)

1 (100.0)

Total

147 (100.0)

12 (8.2)

2 (1.4)

2 (1.4)

11 (7.5)

18 (12.2)

17 (11.6)

31 (21.1)

40 (27.2)

14 (9.5)

112 (76.2)

4 (2.7)

16 (10.9)

15 (10.2)

  1. ainclude isolates from urine, stool, skin, gastric lavage and other body fluids