Table 1 Characteristics of seroprevalence studies of chikungunya virus included in the systematic review and meta-analysis, 1960–2020
From: Chikungunya seroprevalence in population-based studies: a systematic review and meta-analysis
Characteristic | n | % |
|---|---|---|
Year of publication | Â | Â |
1960–1980 | 4 | 6.3 |
1981–2000 | 1 | 1.5 |
2001–2020 | 59 | 92.2 |
Country of study | Â | Â |
Kenya | 7 | 10.9 |
Brazil | 6 | 9.4 |
French Polynesia | 5 | 7.8 |
India | 4 | 6.3 |
Comoros | 4 | 6.3 |
Cameroon | 2 | 3.1 |
Fiji | 2 | 3.1 |
Nicaragua | 2 | 3.1 |
Thailand | 2 | 3.1 |
United States | 2 | 3.1 |
Others | 28 | 43.8 |
Study design | Â | Â |
Cross sectional | 60 | 92.3 |
Cohort | 3 | 4.7 |
Cohort and cross sectional | 1 | 1.5 |
Case Control | 1 | 1.5 |
Sample size | Â | Â |
75-1000 | 50 | 70.4 |
1001–2000 | 13 | 18.3 |
≥ 2001 | 8 | 11.3 |
Population of study | Â | Â |
General population (all ages) | 39 | 54.9 |
Adults | 24 | 33.8 |
Children | 8 | 11.3 |
Risk of bias (points) | Â | Â |
Low (7–9) | 30 | 46.9 |
Moderate (4–6) | 23 | 35.9 |
High (1–3) | 11 | 17.2 |