Table 1.
List of studies that met the criteria to be included in the analysis.
| No | Year of Survey | Region | State | Study Type | Diagnostic Test | Sample Size | No of Cases | Reported Prevalence | Detected Serotype | Mean Age | Sex | Reference |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1984 | East | Red Sea | Cross-sectional hospital-based | ELISA-IgM | 100 | 21 | 21% | DENV1 and 2 | - | M + F | [23] |
| 2 | 1988 | Central | Khartoum | Cross-sectional hospital-based | ELISA-IgG | 196 | 97 | 33% | DENV2 | 20 | M + F | [11] |
| 3 | 1989 | North | Northern | Cross-sectional hospital-based | ELISA-IgG | 185 | 44 | 24% | DENV2 | 34 | M + F | [12] |
| 4 | 2000 | Central | Khartoum | Cross-sectional community-based | ELISA-IgM | 1157 | 485 | 42% | - | - | M + F | [24] |
| 5 | 2005 | East | Red Sea | Cross-sectional hospital-based | ELISA-IgM | 312 | 36 | 12% | DENV3 | 5–15 | M + F | [10] |
| 6 | 2009 | East | Red Sea | Retrospective Cohort | ELISA-IgM | 10,820 | 78 | 1% | - | - | Pregnant women | [25] |
| 7 | 2009 | East | Red Sea | Cross-sectional community-based | ELISA-IgM | 791 | 41 | 5.2% | - | 30 | M + F | [26] |
| 8 | 2010 | East | Kassala | Cross-sectional hospital-based | ELISA-IgM | 113 | 81 | 72% | - | 25.5 | M + F | [27] |
| 9 | 2010 | East | Red Sea | Cross-sectional hospital-based | ELISA-IgM | 200 | 73 | 37% | DENV2–4 | 25 | M + F | [9] |
| 10 | 2011 | East | Kassala | Cross-sectional community-based | ELISA-IgM | 491 | 46 | 9% | - | 40 | M + F | [28] |
| 11 | 2012 | East | Kassala | Cross-sectional hospital-based | ELISA-IgM | 275 | 17 | 6% | - | 17.8 | M + F | [29] |
| 12 | 2012 | East | Red Sea | Cross-sectional hospital-based | ELISA-IgM | 130 | 9 | 7% | - | - | F | [30] |
| 13 | 2012 | East | Red Sea | Cross-sectional hospital-based | ELISA-IgM | 39 | 5 | 13% | - | 26 | Pregnant women | [31] |
| 14 | 2012 | West | South Kordofan | Cross-sectional community-based | ELISA-IgG | 615 | 170 | 28% | - | 37.5 | M + F | [32] |
| 15 | 2013 | East and West | Red Sea, Kassala, North Kordofan | Cross-sectional hospital-based | ELISA-IgM | 483 | 302 | 63% | DENV1–4 | 40.7 | M + F | [33] |
| 16 | 2015 | West | North Darfur | Cross-sectional hospital-based | ELISA-IgG | 50 | 35 | 70% | DENV1 and 3 | 37.8 | M + F | [14] |
| 17 | 2016 | West | Central, North, South, and West Darfur | Cross-sectional hospital-based | ELISA-IgM | 204 | 32 | 16% | DENV1 and 3 | - | M + F | [13] |
| 18 | 2017 | East | Gadaref | Cross-sectional community-based | ELISA-IgG | 701 | 334 | 48% | - | - | M + F | [34] |
| 19 | 2017 | East | Kassala | Cross-sectional hospital-based | RT-PCR | 106 | 4 | 4% | DENV2 | - | - | [18] |