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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