Table 2 Characteristics of included studies.
Study | Method of confirmation of dengue diagnosis | Country | Recruitment time | Clinical classification system | Number of patients | Included in meta-analysis? (yes/no) |
|---|---|---|---|---|---|---|
Biswas, 201513 | RT-PCR, viral isolation, IgM ELISA | Nicaragua | 2005–2013 | Both 1997 and 2009 | 789 | Yes |
Chaiyaratana, 200814 | IgM, IgG ELISA | Thailand | 2002–2005 | 1997 | 177 | No |
Conroy, 201515 | IgM ELISA, viral isolation | Colombia | Not mentioned | 1997 | 111 | Yes |
Cui, 201616 | RT-PCR, NS1 detection | Singapore | Not mentioned | 1997 | 116 | Yes |
Han, 201917 | IgM, NS1 Elisa, | China | 2016 | 1997 | 36 | No |
Hapugaswatta, 202118 | NS1 rapid test | Sri Lanka | 2015–17 | 2009 | 127 | No |
Houghton, 201019 | RT-PCR | Colombia | 2005–2006 | 1997 | 38 | No |
Koraka, 200420 | IgM, IgG ELISA | Indonesia | 1995–96 | 1997 | 32 | No |
Kularatnam, 201921 | IgM ELISA | Sri Lanka | 2013–14 | 1997 | 130 | No |
Kumar, 201222 | RT-PCR | Singapore | 2005–06 | 1997 | 58 | Yes |
Lam, 202023 | RT-PCR, NS1 antigen, IgM assays | Vietnam | 2013–15 | 2009 | 75 | Yes |
Laur, 199824 | RT-PCR, IgM assay, | Tahiti | 1996–97 | 1997 | 52 | No |
Liao, 201525 | Antibody tests, virus isolation in C6/36 mosquito cells | China | 2009 | 2009 | 51 | No |
Lin, 201926 | NS1 Ag STRIP, RT-PCR, and serology | Taiwan | 2014—2016 | 2009 | 108 | Yes |
Mapalagamage, 201827 | IgM ELISA, rapid immunochromatography test (NS1) | Sri Lanka | 2014–16 | 2009 | 138 | No |
Mapalagamage, 202028 | IgM ELISA/rapid chromatographic detection NS1 | Sri Lanka | 2015–16 | 1997 | 80 | Yes |
Mariappan, 202129 | NS1 ELISA, IgG, IgM ELISA | India | Not mentioned | 2009 | 47 | Yes |
Nhi, 201630 | serologic assays, virus isolation, RT-PCR | Vietnam | 2011–12 | 2009 | 63 | No |
Pang, 201631 | RT-PCR, IgM, IgG ELISA | Singapore | 2005–08/2009–12 | 2009 | 158 | No |
Rathore, 202032 | NS1 ELISA, RT-PCR | Sri Lanka | Not mentioned | 1997 | 84 | No |
Saniathi, 202133 | Not mentioned | Indonesia | 2015–16 | 1997 | 80 | Yes |
Sigera, 201934 | RT-PCR | Sri Lanka | 2017–20 | 2009 | 32 | Yes |
Silva, 202135 | NS1 antigen test,RT-qPCR | Sri Lanka | 2018–19 | 2009 | 120 | No |
Suwarto, 201736 | RT-PCR, IgG, IgM ELISA | Indonesia | 2013–15 | 1997 | 103 | Yes |
van de Weg, 201437 | RT-PCR, ELISA | Brazil | 2011–12 Aruba/2010Brazil | 2009 | 44 | No |
Villamor, 201738 | NS1, RT-PCRIgM ELISA | Colombia | 2003–09/2009–10 | 1997 | 345 | Yes |
Villamor, 201839 | NS1, IgM ELISA, RT-PCR | Colombia | 2003–09/2009–10 | 1997 | 344 | No |
Villar-Centeno, 200840 | viral isolation, IgM assays | Colombia | Not mentioned | 1997 | 201 | Yes |
Vuong, 202141 | NS1 IgM ELISA, RT-PCR, viral isolation | Vietnam, El Salvador, Cambodia, Malaysia | 2011–15 | 2009 | 281 | Yes |
Vuong, 202042 | NS1 ELISA, RT-PCR | Vietnam, El Salvador, Cambodia, Malaysia | 2011–15 | 2009 | 1117 | Yes |
Yacoub, 201743 | NS1 ELISA, RT-PCR | Vietnam | 2013–15 | 2009 | 293 | No |
Yacoub, 201644 | RT-PCR, NS1 antigen or DENV IgM, IgG assays | Vietnam | 2013–14 | 2009 | 132 | Yes |
Yamanaka, 201345 | RT-PCR-NS1, IgM, IgG ELISA | Indonesia | 2008–10 | 1997 | 130 | Yes |
Zain, 201746 | IgM IgG ELISA for serotyping only | Indonesia | Not mentioned | 2009 | 42 | No |
Chandrashekhar, 201947 | IgG, IgM ELISA, NS1 | India | 2016–2018 | 2009 | 77 | No |
Fernando, 201648 | IgG, IgM, NS1 ELISA, | Sri Lanka | 2015 | 2009 | 30 | Yes |
Low, 201849 | NS1 ELISA, RT-PCR | Malaysia | 2016–2017 | 2009 | 82 | No |
