Table 2.

Performance of QIFN test in active tuberculosis

GroupNo.No. QIFN positiveSensitivity (%)
Total604677
Pulmonary423174a
Extrapulmonary181583a
Culture positive483675b
Clinical diagnosis121083b
Smear positive282071c
Smear negative201680c
  • a χ2 = 0.639; P > 0.1.

  • b χ2 = 0.373; P > 0.1.

  • c χ2 = 0.457; P > 0.1.