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Table 1 Drug susceptibility testing – Line Probe Assay at the CTRL

From: Reducing delays to multidrug-resistant tuberculosis case detection through a revised routine surveillance system

S/N LPA – CTRL Positive isolate - Zonal TB culture laboratory Sputum specimens – peripheral laboratory Total
1 RIF (R), INH (R) 5 (3%) 0 (0%) 5 (3%)
2 RIF (R) 1 (1%) 3 (2%) 4 (2%)
3 INH (R) 0 (0%) 0 (0%) 0 (0%)
4 Sensitive to both RIF and INH 115 (64%) 56 (31%) 171 (95%)
5 Total 121 (68%) 59 (33%) 180 (100%)
6 Contaminated 1 (1%) 3 (1%) 4 (2%)
  1. Key: LPA Line Probe Assay, TB Tuberculosis, CTRL Central Tuberculosis Reference Laboratory, RIF (R) Rifampicin resistant, INH (R) Isoniazid resistant