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Table 1 Specimens processed and prevalence of non-tuberculous mycobacteria among patients investigated for tuberculosis

From: Isolation of non-tuberculous mycobacteria among tuberculosis patients, a study from a tertiary care hospital in Lahore, Pakistan

Year 2016 2017 2018 2019 Total
Culture processed 1934 4781 3173 2673 12,561
Culture Positive for AFB 1165 875 944 689 3673
MPT64-positive (MTBC) n (%) 1122 (96) 805 (92) 894 (95) 661 (96) 3482 (95)
MPT64-negative (NTM) n (%) 43 (4) 70 (8) 50 (5) 28 (4) 191 (5)
NTM Speciation performed n (%) 1 (2) 12 (17) 28 (56) 19 (68) 60 (31)
  1. AFB Acid fact bacilli, MTBC Mycobacterium tuberculosis complex, NTM Non-tuberculous mycobacteria, n number