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Table 4 Patient categories and performance of BACTEC MGIT 960 and LJ methods for diagnosis of Mycobacterium tuberculosis infection at EPHI/NTRL since 2015

From: Performance of Mycobacterium Growth Indicator Tube BACTEC 960 with Lowenstein–Jensen method for diagnosis of Mycobacterium tuberculosis at Ethiopian National Tuberculosis Reference Laboratory, Addis Ababa, Ethiopia

  MGIT LJ
Positive Negative contaminated Total Positive Negative Contaminated Total
New patient 131 (14.4%) 230 (25.3%) 62 (6.7%) 423 (46.5%) 103 (11.3%) 283 (31.2%) 37 (4%) 423 (46.9)
MDR-TB follow up patient 105 (11.6%) 304 (33.5%) 76 (8.3%) 485 (53.5%) 79 (8.7%) 359 (39.8%) 47 (5.2%) 485 (53.4%)