From: Prevalence of early childhood caries in South Africa: a systematic review
 | Number of studies | Cases | Sample size | Random pooled prevalance | 95% CI (%) |
---|---|---|---|---|---|
Overall |  | 13,904 | 29,477 | 44.94 | 39.73–50.15 |
Age | |||||
 1 | 5 | 105 | 731 | 21.48 | 0.090–33.95 |
 2 | 9 | 670 | 2130 | 31.71 | 24.49–38.92 |
 3 | 12 | 1360 | 3575 | 43.37 | 31.89–54.84 |
 4 | 14 | 3592 | 7067 | 49.58 | 38.49–60.67 |
 5 | 14 | 2205 | 5159 | 51.72 | 36.67–66.78 |
 < 6 | 9 | 5972 | 11,143 | 52.60 | 46.58–58.61 |
Year period | |||||
 1978–1979 | 6 | 2115 | 3622 | 57.37 | 46.48–68.25 |
 1980–1984 | 3 | 3234 | 6398 | 39.31 | 28.39–50.24 |
 1985–1989 | 4 | 1941 | 4967 | 36.38 | 21.70–45.65 |
 1990–1994 | 2 | 743 | 3230 | 23.08 | 14.59–1.57 |
 1995–1999 | 5 | 4423 | 9029 | 40.80 | 32.14–49.47 |
 2000–2004 | 2 | 223 | 442 | 48.38 | 34.63–60.33 |
 2005–2009 | 1 | 129 | 269 | 45.04 | 26.89–63.19 |
 2010–2014 | 5 | 1096 | 1848 | 61.75 | 52.93–70.57 |
Urban or rural | |||||
 Rural | 8 | 1344 | 2780 | 47.40 | 41.13–53.67 |
 Urban | 16 | 7274 | 16,543 | 43.72 | 36.56–50.89 |
 Urban/rural | 3 | 5286 | 10,482 | 48.22 | 37.80–58.63 |
Province | |||||
 Limpopo | 2 | 282 | 733 | 37.36 | 33.90–40.82 |
 Gauteng | 21 | 9901 | 22,297 | 43.10 | 37.01–49.20 |
 Kwazulu Natal | 2 | 1069 | 2017 | 53.04 | 50.87–55.22 |
 Western Cape | 2 | 1166 | 1649 | 73.39 | 66.59–80.19 |
 Eastern Cape | 1 | 122 | 228 | 53.51 | 47.03–59.87 |
 Free State | 1 | 532 | 885 | 60.11 | 56.85–63.29 |
 North West | 1 | 418 | 1019 | 41.02 | 38.04–44.07 |
 Mpumalanga | 2 | 414 | 977 | 43.76 | 32.85–54.66 |