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Table 1 DENV-4 NS1 performance according to type of infection and method, Rio de Janeiro, 2013

From: Increased sensitivity of NS1 ELISA by heat dissociation in acute dengue 4 cases

Platelia™ Dengue NS1 Ag-ELISA

Results

Type of infection

Total

N = 156

Primary

N = 26

Secondary

N = 130

Non-dissociated

Positive

17

(65.4%)

50

(38.4%)

67

(43.0%)

Negative

4

(15.3%)

69

(53.3%)

73

(46.8%)

Indeterminate

5

(19.2%)

11

(8.3%)

16

(10.2%)

Heat dissociated

Positive

22

(84.6%)

68

(52.3%)

90

(57.7%)

Negative

4

(15.4%)

62

(47.7%)

65

(42.3%)