Table 1 Distribution of children at the time of examination
From: A longitudinal study of early childhood caries incidence in Wenzhou preschool children
Examination time | Children attending examination | ||||
|---|---|---|---|---|---|
2011 | 2012 | 2013 | N | % | Data analysis |
√ | √ | √ | 377 | 62.2 | Incidence density and prevalence |
√ | √ | 46 | 7.6 | Incidence density and prevalence | |
√ | √ | 22 | 3.6 | Prevalence | |
√ | √ | 161 | 26.6 | Incidence density and prevalence | |
Total | 606 | 100.0 | |||