Prevalence pattern of dental caries in the primary dentition among school children

The prevalence of dental caries in primary dentition:

Was higher in the boys than in the girls (P<0.05).
Was higher in the mandibular arch in both the sexes (boys P<0.05;girls P<0.01).
Shows a bilateral phenomenon in both the sexes.
Was higher in posterior teeth in both the sexes and both the arches.
Was higher in the boys than in the girls among the posterior teeth (P < 0.01).
Was higher in the primary second molars than the primary first molars in both the sexes and both the arches.
Follows a specific pattern: mandibular molars(21.7%), maxillary molars (10.1%) maxillary anterior teeth (6.5%) were predominantly affected; whereas the mandibular anterior teeth was least affected (0.4%).
Was higher in the maxillary arch than the mandibular arch among the anterior teeth(P < 0.001).
Was higher in the mandibular arch than the maxillary arch among the posterior teeth (P<0.001).