Table 3 Tuberculin skin test (TST) results (n = 322).

From: Comparison of interferon gamma release assays and tuberculin skin test performance for diagnosing Mycobacterium tuberculosis infection in the Pakistani population

TST Results

ATB Patients n = 147 (%)

NTBOPD Patients

n = 50 (%)

Healthy Individuals n = 125 (%)

All Participants n = 322 (%)

Negative (TST induration diameter 0–5 mm)

95 (64.7)

34 (68.0)

110 (88.0)

239 (74.2)

Positive

(TST induration diameter > 5 mm)

52 (35.3)

16 (32.0)

15 (12.0)

83 (25.8)

  1. ATB: Active TB; NTBOPD: Non-TB other pulmonary diseases.
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