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Table 4 Sensitivity of febrile status and mRDT compared to PCR at different levels of peripheral Plasmodium falciparum parasitemia

From: Comparison of conventional and non-invasive diagnostic tools for detecting Plasmodium falciparum infection in southwestern Cameroon: a cross-sectional study

Parasite threshold

n

Sensitivity, % (95% CI)

Febrile individuals

mRDT (blood)

mRDT (saliva)

mRDT (urine)

NPS

217

86.4 (72.0–100)

77.3 (59.8–94.8)

54.5 (33.7–75.3)

72.7 (54.1–91.3)

 ≤ 500

37

80.6 (66.7–94.6)

71.0 (55.0–86.9)

71.0 (55.0–86.9)

64.5 (47.7–81.4)

 > 500

47

91.1 (82.8–99.4)

77.8 (65.6–89.9)

86.7 (76.7–96.6)

75.6 (63.0–88.1)

  1. CI confidence interval; mRDT Malaria Rapid Diagnostic Test; NPS no parasite seen