Table 3 Determination of diagnostic performance ability of blood culture, N-PCR and Q-PCR assays considering clinically diagnosed typhoid fever (CDTF) cases (n = 110) positive by any of the test methods as standard^a

24/81, 29.6 (20.0–40.8)

29/29, 100.0 (87.9–100.0)

24/24, 100.0 (85.6–100.0)

29/86, 33.7 (23.9–44.7)

29.6/0, ∞

70.4/100, 0.70 (0.61–0.81)

53/110, 48.2^{b, c}

66/81, 81.5 (71.3–89.2)

29/29, 100.0 (87.9–100.0)

66/66, 100.0 (88.3–100.0)

28/44, 65.9 (49.0–79.0)

81.5/0, ∞

18.5/100, 0.19 (0.12–0.3)

95/110, 86.4^{b, d}

74/81, 91.4 (83.0–96.4)

29/29, 100.0 (84.4–100.0)

74/74, 100.0 (95.0–100.0)

29/36, 80.6 (64.0–91.8)

91.4/0, ∞

8.6/100, 0.09 (0.04–0.18)

103/110, 93.6^{c, d}