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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