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Table 2 Dengue detection by RT-PCR, NS1, and IgM ELISAs on samples from Indonesia

From: Performance of commercial dengue NS1 ELISA and molecular analysis of NS1 gene of dengue viruses obtained during surveillance in Indonesia

Parameter RT-PCR NS1 NS1 sensitivity (%) IgMa IgM sensitivity (%) p-valueb
City (island)       
  Denpasar (Bali) 13 10/13 76.9 5/13 38.5 0.131
  Jakarta (Java) 9 8/9 88.9 4/9 44.4 0.221
  Jayapura (Papua) 8 3/8 37.5 7/8 87.5 0.134
  Kendari (Sulawesi) 3 1/3 33.3 2/3 66.7 1.000
  Medan (Sumatra) 6 5/6 83.3 4/6 66.7 1.000
  Samarinda (Borneo) 24 1/24 4.2 17/24 70.8 <0.001
  Semarang (Java) 29 22/29 75.9 27/29 93.1 0.182
  Surabaya (Java) 96 56/96 58.3 74/93 79.6 0.001
  Total Indonesia 188 106/188 56.4 140/188 73.7 <0.001
Serotype       
  DENV-1 86 56/86 67.4 74/84 88.1 0.002
  DENV-2 19 13/19 68.4 12/19 63.2 1.000
  DENV-3 32 22/32 68.8 17/32 53.1 0.332
  DENV-4 42 8/42 19.0 31/42 73.8 <0.001
  Mix-infection 9 5/9 55.6 6/8 75.0 0.617
Infection status a       
  Primary 71 48/71 67.6 40/71 56.3 0.201
  Secondary 114 55/114 48.2 100/114 87.7 <0.001
Severity c       
  DF 59 30/59 50.8 34/58 58.6 0.486
  DHF 120 72/120 60.0 97/118 82.2 <0.001
  DSS 9 4/9 44.4 9/9 100 0.074
  1. aData not available for 3 samples.
  2. bMcNemar test; statistically significant p-values were printed in bold.
  3. cWHO-SEARO Guidelines 2011 [11].