Table 2.
Study | Sample size | Percentage | 95% confidence interval |
---|---|---|---|
Sayedalamin et al. (2017) | 481 | 90.0 | (81.5, 98.5) |
Agrawal et al. (2017) | 403 | 44.7 | (38.1, 51.2) |
Merdad et al. (2017) | 597 | 78.1 | (71.0, 85.1) |
AlHabeeb et al. (2017) | 1250 | 91.0 | (85.8, 96.3) |
Flayou et al. (2016) | 245 | 36.3 | (28.8, 43.9) |
Al Bshabshe et al. (2016) | 873 | 93.0 | (86.6, 99.4) |
Almohsen et al. (2016) | 195 | 61.5 | (50.5, 72.5) |
Afzal Aghaee et al. (2015) | 400 | 41.5 | (35.2, 47.8) |
Alam et al. (2007) | 948 | 92.0 | (85.9, 98.1) |
El-Shoubaki and Bener (2005) | 1305 | 69.0 | (64.5, 73.5) |