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Table 2 Accuracy of microscopy and RDT in comparison with PCR for detecting malaria infection among 156 febrile pregnant women in Eastern Sudan

From: Reliability of rapid diagnostic test for diagnosing peripheral and placental malaria in an area of unstable malaria transmission in Eastern Sudan

  

PCR

   
  

Positive

Negative

Total

Accuracy measure (95% CI)

Microscopy

Positive

17

0

17

Sensitivity

94.4 (75.5–99.7)

 

Negative

1

138

139

Specificity

100 (98.0–100.0)

Total

 

18

138

156

Positive predictive value

100 (83.4–100.0)

     

Negative predictive value

99.3 (96.5–100.0)

RDT

Positive

15

11

26

Sensitivity

83.3 (61.0–95.6)

 

Negative

3

127

130

Specificity

92.0 (86.6–95.7)

Total

 

18

138

156

Positive predictive value

57.7 (38.4–75.4)

     

Negative predictive value

97.7 (94.0–99.4)