Open Access
Table 2
Subgroup analysis of T. vaginalis prevalence based on geographic area and reporting countries.
| WHO region | No. Studies | Pooled prevalence (95% CI) | Heterogeneity |
||
|---|---|---|---|---|---|
| I 2 | Q-value | p-value | |||
| Asia region | 126 | 8% (7%–9%) | 99.69 | 325.86 | 0.00 |
| China | 30 | 5% (4%–5%) | 98.55 | 2005.68 | 0.00 |
| Bangladesh | 7 | 10% (1%–21%) | 99.67 | 206.54 | 0.08 |
| India | 29 | 10% (9%–17%) | 99.32 | 2389.93 | 0.00 |
| Indonesia | 5 | 25% (2%–48%) | 95.96 | 97.60 | 0.00 |
| Iran | 16 | 7% (0%–14%) | 99.97 | 311.16 | 0.04 |
| Iraq | 4 | 35% (8%–62%) | 99.10 | 338.73 | 0.01 |
| Korea | 6 | 1% (0%–1%) | 62.74 | 14.55 | 0.00 |
| South Korea | 4 | 2% (0%–3%) | 90.05 | 31.96 | 0.03 |
| Sri Lanka | 4 | 5% (3%–7%) | 80.19 | 16.59 | 0.00 |
| Vietnam | 5 | 5% (2%–8%) | 96.65 | 95.61 | 0.00 |
| Israel | 3 | 3% (2%–8%) | 91.78 | 12.17 | 0.20 |
| Mongolia | 3 | 27% (12%–66%) | 93.22 | 29.40 | 0.01 |
| Pakistan | 2 | 5% (3%–6%) | 0.10 | 0.44 | 0.00 |
| Africa region | 130 | 12% (10%–14%) | 99.29 | 140.12 | 0.00 |
| Egypt | 3 | 20% (5%–36%) | 96.73 | 83.16 | 0.01 |
| Ghana | 4 | 17% (1%–35%) | 99.55 | 117.37 | 0.07 |
| Madagascar | 6 | 23% (15%–32%) | 97.74 | 224.34 | 0.00 |
| Senegal | 3 | 9% (3%–22%) | 99.14 | 75.10 | 0.13 |
| Zimbabwe | 2 | 10% (6%–14%) | 76.39 | 4.23 | 0.00 |
| Benin | 2 | 25% (21%–28%) | 52.75 | 2.12 | 0.00 |
| Guinea Bissau | 2 | 13% (1%–27%) | 98.31 | 59.29 | 0.00 |
| Burkina Faso | 6 | 12% (3%–22%) | 99.48 | 192.74 | 0.01 |
| Kenya | 18 | 6% (3%–9%) | 99.01 | 438.73 | 0.00 |
| Côte d’Ivoire | 6 | 9% (4%–14%) | 95.86 | 99.62 | 0.00 |
| Nigeria | 11 | 7% (4%–9%) | 90.13 | 83.19 | 0.00 |
| Sudan | 2 | 6% (5%–18%) | 99.49 | 195.95 | 0.28 |
| South Africa | 29 | 13% (9%–17%) | 99.39 | 2461.02 | 0.00 |
| Tanzania | 13 | 11% (7%–15%) | 98.72 | 562.94 | 0.00 |
| Togo | 2 | 5% (3%–7%) | 36.40 | 1.57 | 0.00 |
| Uganda | 8 | 9% (5%–13%) | 95.49 | 130.10 | 0.00 |
| Zambia | 3 | 20% (4%–35%) | 98.94 | 231.19 | 0.01 |
| Botswana | 3 | 11% (3%–19%) | 96.21 | 26.37 | 0.01 |
| North America | 53 | 11% (8%–15%) | 99.29 | 140.60 | 0.00 |
| United States | 37 | 14% (11%–18%) | 99.91 | 1061.85 | 0.00 |
| Canada | 5 | 6% (0%–12%) | 99.36 | 97.71 | 0.07 |
| Jamaica | 3 | 21% (18%–25%) | 35.32 | 1.55 | 0.00 |
| Mexico | 3 | 32% (26%–38%) | 76.18 | 6.02 | 0.00 |
| El Salvador | 2 | 3% (1%–7%) | 94.72 | 18.94 | 0.13 |
| South America | 40 | 5% (1%–10%) | 99.89 | 893.6 | 0.00 |
| Argentina | 4 | 3% (3%–4%) | 13.64 | 2.57 | 0.00 |
| Colombia | 3 | 4% (3%–10%) | 99.23 | 11.57 | 0.28 |
| Peru | 6 | 5% (3%–7%) | 80.34 | 20.82 | 0.00 |
| Brazil | 23 | 8% (5%–12%) | 99.59 | 9261.95 | 0.00 |
| Europe | 49 | 3% (3%–4%) | 99.26 | 134.86 | 0.00 |
| United Kingdom | 16 | 6% (2%–9%) | 99.79 | 476.85 | 0.00 |
| Türkiye | 4 | 2% (0%–3%) | 64.22 | 9.71 | 0.01 |
| Italy | 5 | 2% (1%–3%) | 82.29 | 17.03 | 0.00 |
| Netherlands | 5 | 1% (0%–1%) | 97.20 | 35.76 | 0.06 |
| Russia | 3 | 5% (3%–14%) | 99.17 | 51.42 | 0.20 |
| Estonia | 2 | 5% (4%–15%) | 95.58 | 22.61 | 0.27 |
| Spain | 3 | 11% (8%–30%) | 99.98 | 220.2 | 0.25 |
| Ukraine | 2 | 12% (10%–13%) | 2.21 | 1.02 | 0.00 |
| Oceania | 27 | 16% (8%–24%) | 99.71 | 370.65 | 0.00 |
| Papua New Guinea | 9 | 32% (24%–41%) | 95.26 | 143.27 | 0.00 |
| Australia | 13 | 10% (4%–16%) | 99.71 | 343.49 | 0.00 |
| New Zealand | 2 | 3% (1%–4%) | 64.42 | 2.81 | 0.00 |
| Vanuatu | 3 | 25% (21%–28%) | 71.84 | 6.58 | 0.00 |
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