Table 3. Basic characteristics of the included literature.
Region | Articles (n) | Conversion rate (%) | 95% confidence interval |
---|---|---|---|
Asia | 11 | 0.78 | 0.29–1.21 |
East Asia | 3 | 0.69 | 0.49–0.90 |
South Asia | 2 | 1.28 | 0.83–1.81 |
Middle East | 3 | 0.84 | 0.29–1.38 |
West Asia | 3 | 0.65 | 0.48–0.81 |