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Table 3 cRDT and uRDT performance indicators using RT-qPCR as the gold-standard, overall and by age group

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

 

RDT type

All ages (N = 4396)

< 5 years old (N = 2373)

5–15 years old (N = 1159)

≥ 15 years old (N = 850)

Estimate

(95% CI)

Estimate

(95% CI)

Estimate

(95% CI)

Estimate

(95% CI)

Sensitivity

cRDT

61.5

(53.9–68.6)

69.8

(57.0–80.8)

71.9

(59.2–82.4)

39.2

(25.8–53.9)

uRDT

68.2

(60.8–74.9)

68.3

(55.3–79.4)

79.7

(67.8–88.7)

54.9

(40.3–68.9)

Specificity

cRDT

99.2

(98.9–99.4)

99.2

(98.7–99.5)

98.9

(98.1–99.4)

99.6

(98.9–99.9)

uRDT

99.0

(98.6–99.2)

99.0

(98.5–99.4)

98.5

(97.5–99.1)

99.5

(98.7–99.9)

PPV

cRDT

76.4

(68.6–83.1)

69.8

(57.0–80.8)

79.3

(66.7–88.8)

87.0

(66.4–97.2)

uRDT

73.5

(66.1–80.0)

65.2

(52.4–76.5)

75.0

(63.0–84.7)

87.5

(71.0–96.5)

NPV

cRDT

98.4

(98.0–98.7)

99.2

(98.7–99.5)

98.4

(97.4–99.0)

96.3

(94.7–97.4)

uRDT

98.7

(98.3–99.0)

99.1

(98.7–99.5)

98.8

(98.0–99.4)

97.2

(95.8–98.2)

LR + 

cRDT

76.2

(53.5–108.6)

84.9

(52.7–136.7)

65.6

(36.6–117.5)

104.4

(32.1–339.9)

uRDT

65.3

(47.9–89.1)

68.5

(44.1–106.4)

51.3

(31.5–83.6)

109.7

(40.0–300.7)

LR-

cRDT

0.4

(0.3–0.5)

0.3

(0.2–0.4)

0.3

(0.2–0.4)

0.6

(0.5–0.8)

uRDT

0.3

(0.3–0.4)

0.3

(0.2–0.5)

0.2

(0.1–0.3)

0.5

(0.3–0.6)

DOR

cRDT

196.1

(125.0–307.8)

279.1

(138.9–561.2)

230.6

(105.6–503.7)

171.2

(51.1–566.9)

uRDT

203.0

(131.9–312.5)

213.7

(109.7–416.4)

248.8

(115.3–536.9)

242.0

(81.2–714.0)

AUC

cRDT

0.80

(0.77–0.84)

0.85

(0.79–0.90)

0.85

(0.80–0.91)

0.69

(0.63–0.76)

uRDT

0.84

(0.80–0.87)

0.84

(0.78–0.89)

0.89

(0.84–0.94)

0.77

(0.70–0.84)

  1. PPV Positive predictive value, NPV negative predictive value, LR+ positive likelihood ratio, LR− negative likelihood ratio, DOR diagnostic odds ratio, AUC area under the receiver operating characteristic curve