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Table 5 Performance of capillary blood film, venous blood film and venous blood buffy coat samples in detecting Plasmodium species among malaria suspected patients attending Hamusite Health center, northwest Ethiopia from February to March 2020

From: Comparison of capillary, venous and buffy coat blood samples in detecting Plasmodium species among malaria suspected patients attending at Hamusite health center. A cross-sectional study

Parameter

Sample

Sensitivity

Specificity

PPV

NPV

Kappa value

In detection of overall Plasmodium infection

Capillary BF

78.7

100

100

92.0

0.84

Venous BF

68.9

100

100

88.7

0.76

Venous blood BC

73.8

100

100

90.3

0.80

In detection of P. falciparum mono-infection

Capillary BF

70.7

100

100

93.4

0.795

Venous BF

56.1

100

100

90.4

0.673

Venous Blood BC

63.4

100

100

91.8

0.736

In detection of P. vivax mono-infection

Capillary BF

90

100

100

99.5

0.945

Venous BF

90

100

100

99.5

0.945

Venous Blood BC

90

100

100

99.5

0.945

In detection of gametocytes

Capillary BF

93.8

100

100

99.5

0.965

Venous BF

87.5

100

100

99.0

0.928

Venous Blood BC

93.8

100

100

99.5

0.965