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Table. 1.

Table. 1.

Distrubution of NTM species in a single center in Incheon

Identified species No. (%) of PCR positive results per year
2015 2016 2017 2018 2019 2020 Total
MAC 15 (50.0) 18 (46.2) 29 (65.9) 33 (60.0) 34 (54.8) 33 (50.0) 162 (54.78)
M. intracellulare 6 (20.0) 8 (20.6) 18 (40.9) 22 (40.0) 19 (30.6) 16 (24.2) 89 (30.1)
M. avium 9 (30.0) 10 (25.6) 11 (25.0) 11 (20.0) 15 (24.2) 17 (25.8) 73 (24.7)
MABC 6 (20.0) 7 (17.9) 5 (11.34) 17 (30.9) 14 (22.6) 13 (19.7) 62 (20.9)
M. fortuitum 2 (6.7) 3 (7.7) 1 (2.3) 1 (1.8) 6 (9.7) 6 (9.1) 19 (6.4)
M. flavescens 2 (6.7) 1 (2.6) 1 (2.3) 3 (5.5) 2 (3.2) 1 (1.5) 10 (3.4)
M. kansasii 0 0 2 (4.5) 0 0 1 (1.5) 3 (1.0)
M. gordonae 0 0 2 (4.5) 0 0 0 2 (0.7)
M. chelonae 0 0 1 (2.3) 0 0 0 1 (0.3)
Other* 5 (16.7) 10 (25.6) 3 (6.8) 1 (1.8) 6 (9.7) 12 (18.2) 37 (12.5)
Total 30 (100.0) 39 (100.0) 44 (100.0) 55 (100.0) 62 (100.0) 66 (100.0) 296 (100.0)

Abbreviations: NTM, nontuberculous mycobacteria; MAC, M. avium complex; MABC, M. abscessus complex.

*A. niger, A. fumigatus, E. aerogenes, P. mirabilis, H. parainfluenzae.

Korean J Clin Lab Sci 2021;53:225-32 https://doi.org/10.15324/kjcls.2021.53.3.225
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