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Table 3 Overall diagnostic accuracy of microscopy, RDT, and uRDT compared to qPCR as a reference test for the diagnosis of malaria

From: Performance of ultra-sensitive malaria rapid diagnostic test to detect Plasmodium falciparum infection in pregnant women in Kinshasa, the Democratic Republic of the Congo

  

qPCR

Total

Sensitivity (95% CI)

Specificity (95% CI)

Value (95%CI)

(+)

(-)

PPV (95% CI)

NPV (95% CI)

LR(+) (95% CI)

LR(-) (95% CI)

Kappa (95% CI)

Microscopy

(+)

88

5

93

55.7% (47.6–63.6)

98.5% (96.6–99.5)

94.6% (88.0–97.7)

82.7% (80.0–85.0)

37.8 (15.7–91.1)

0.46 (0.4–0.5)

0.60 (0.53–0.68)

(-)

70

334

404

RDT

(+)

129

16

145

81.7% (74.7–87.3)

95.2% (92.5–97.2)

89% (83.2–92.9)

91.7% (88.9 – 94.0)

17.3 (10.7–28.1)

0.19 (0.1–0.3)

0.78 (0.72–0.84)

(-)

29

323

352

uRDT

(+)

139

19

158

88% (81.9–92.6)

94.4% (91.4–96.6)

88% (82.5–91.9)

94.4% (91.7–96.2)

15.7 (10.0–24.4)

0.13 (0.1–0.2)

0.82 (0.77–0.87)

(-)

19

320

339

  1. Pf (P. falciparum); RDT (rapid diagnostic test); uRDT (ultrasensitive rapid diagnostic test); qPCR (quantitative polymerase chain reaction); (+) (positive); (-) (negative); PPV (positive predictive value); NPV (negative predictive value); CI (confidence interval);LR: Likelihood ratio