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Table 6 Sensitivity across different parasite densities

From: Accuracy of diagnosis among clinical malaria patients: comparing microscopy, RDT and a highly sensitive quantitative PCR looking at the implications for submicroscopic infections

Parasite density

(parasites/µl of blood)

No. of cases

Sensitivity % (n)

Microscopy

RDT

Very low (< 100)

230

6.1 (14)

26.1 (60)

Low (100–999)

52

36.5 (19)

61.5 (32)

Moderate (1000–4999)

35

65.7 (23)

88.6 (31)

High (5000–99,999)

86

95.3 (82)

100.0 (86)

Hyperparasitaemia (≥ 100,000)

35

97.1 (34)

100.0 (35)