Table 3.

Performance of QIFN and Mantoux tests in active tuberculosis

Group (n)TestNo. positiveSensitivity (%)
Total (38)Mantoux3387a
QIFN3079a
Pulmonary (26)Mantoux2388b
QIFN2077b
Extrapulmonary (12)Mantoux1083
QIFN1083
  • a χ2 = 0.835; P > 0.1.

  • b χ2 = 1.209; P > 0.1.