Risk factors of early childhood caries (ECC) among children in Beijing - a prospective cohort study

BMC Oral Health

Table 2 Caries incidence and increment among children with different PMS scores in the CF group

PMS score	N	With new caries (%) (Δdmft> 0)	△dmfs (mean ± SD)
0/1	231	78 (33.8)	0.90 ± 1.89
2/3	130	60 (46.2)	1.87 ± 3.17
		P = 0.02*	P < 0.001**

PMS plaque mutans streptococci at baseline, CF group caries free children at baseline, dmfs decayed, missing, or filled surfaces, △dmfs newly decayed, missing, or filled surfaces at the 1-year follow-up; △dmft newly decayed, missing, or filled teeth at the 1-year follow-up; PMS plaque mutans streptococci
*Significant at P < 0.05; **Significant at P < 0.001

ISSN: 1472-6831