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Table 4 Geometric mean parasite densities (GMPDs) by RT-qPCR among uRDT and cRDT positive and uRDT and cRDT negative samples, according to age group

From: Field performance of ultrasensitive and conventional malaria rapid diagnostic tests in southern Mozambique

 

Result

Method

N

RT-qPCR GMPD (parasites/μL)

95% CI

Min–Max (parasites/μL)

All ages

Positive

RT-qPCR

179

77.5

50.2–119.7

0.6–120,786.2

uRDT

122

112.9

65.3–195.0

0.6–120,786.2

cRDT

110

145.5

82.0–258.0

0.6–120,786.2

Negative

uRDT

57

34.6

17.6–68.2

1.4–40,038.9

cRDT

69

28.4

15.5–51.9

0.9–40,038.9

< 5-year-olds

Positive

RT-qPCR

63

128.1

57.2–286.8

0.6–120,786.2

uRDT

43

187.2

69.1–507.2

0.6–120,786.2

cRDT

44

183.0

69.1–484.6

0.6–120,786.2

Negative

uRDT

20

56.7

13.7–234.4

1.4–40,038.9

cRDT

19

56.2

12.5–252.1

1.4–40,038.9

5–< 15 year-olds

Positive

RT-qPCR

64

99.5

47.8–206.9

1.7–59,365.7

uRDT

51

99.5

42.3–233.9

1.7–59,365.7

cRDT

46

114.4

45.7–286.6

1.7–59,365.7

Negative

uRDT

13

99.4

20.9–473.5

5.3–7235.0

cRDT

18

69.5

19.8–244.5

4.1–7235.0

 ≥ 15 year-olds

Positive

RT-qPCR

51

32.2

16.2–64.3

0.9–14,991.6

uRDT

28

65.2

22.5–189.6

0.9–14,991.6

cRDT

20

152.7

46.0–508.1

2.1–14,991.6

Negative

uRDT

23

13.7

6.5–29.0

2.4–2311.7

cRDT

31

11.8

6.1–22.8

0.9–2311.7