From: Assessment of dental caries among a group of institutionalized orphan children compared to parented school children: case–control study
Mean
SD
Minimum
Maximum
p-value
Private primary school
2.17b
1.22
1
5
0.001
Non-governmental orphanage
2.5b
1.79
2
6
Governmental orphanage
4.29a
2.97
14