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Table 3 Detection rate of antibodies in urine and saliva samples

From: Evaluation of the performances of six commercial kits designed for dengue NS1 and anti-dengue IgM, IgG and IgA detection in urine and saliva clinical specimens

 

Urine

Saliva

IPC ELISA

RDT

IPC ELISA

RDT

IgG

Weakly positive plasma

48.1 % (13/27)

29.6 % (8/27)

48.1 % (13/27)

29.6 % (8/27)

 

Averagely positive plasma

50 % (41/82)

36.6 % (30/82)

74.4 % (61/82)

48.8 % (40/82)

 

Highly positive plasma

72.1 % (31/43)

62.8 % (27/43)

93 % (40/43)

67.4 % (29/43)

 

p-value a

0.041

0.006

<0.001

0.008

IgM

Weakly positive plasma

0 % (0/25)

0 % (0/25)

40 % (10/25)

8 % (2/25)

 

Averagely positive plasma

0 % (0/54)

0 % (0/54)

83.3 % (45/54)

22.2 % (12/54)

 

Highly positive plasma

0 % (0/18)

0 % (0/18)

100 % (18/18)

44.4 % (8/18)

 

p-value a

1

1

<0.001

0.019

IgA

Weakly positive plasma

18.2 % (6/33)

0 % (0/33)

12.1 % (4/33)

0 % (0/33)

 

Averagely positive plasma

50 % (31/62)

27.4 % (17/62)

62.3 % (38/61) b

13.1 % (8/61) b

 

Highly positive plasma

100 % (21/21)

71.4 % (15/21)

81 % (17/21)

23.8 % (5/21)

 

p-value a

<0.001

<0.001

<0.001

0.021

  1. The detection rates of antibodies in urine and saliva samples are presented according to the level of the immunoglobulin in the corresponding plasma samples
  2. a Comparison of antibodies positive rate in urine or saliva from patients whose corresponding plasma tested weakly, averagely or highly positive for the same biomarker
  3. b One invalid result