Table 1.

Mean and standard deviation of teeth per subject scored following ICDAS scores in Italy and in the five different sections.

Teeth	Italy Mean ± sd	North-West Mean ± sd	North-East Mean ± sd	Central Mean ± sd	South Mean ± sd	Insular Mean ± sd	One-way Anova F-value p-value
Caries-free	23.93 ± 4.36	24.12 ± 3.48	24.12 ± 3.89	24.08 ± 3.93	21.83 ± 5.67	24.21 ± 3.51	F = 1.87 p = 0.32
Enamel Lesions	1.37 ± 2.28	1.25 ± 2.09	1.09 ± 1.85	1.45 ± 2.22	1.88 ± 1.92	1.32 ± 2.21	F = 3.65 p < 0.01
Pre-cavitated Lesions	0.92 ± 1.22	0.91 ± 1.32	1.01 ± 1.81	1.02 ± 1.83	0.82 ± 1.00	1.04 ± 1.42	F = 1.25 p = 0.65
Cavitated lesions	0.85 ± 1.95	0.75 ± 1.18	0.62 ± 0.94	0.72 ± 1.08	2.60 ± 3.51	1.10 ± 1.62	F = 3.85 p < 0.01
Filled teeth	0.57 ± 0.85	0.82 ± 1.33	0.84 ± 1.24	0.64 ± 0.98	0.23 ± 0.71	0.22 ± 0.96	F = 3.91 p < 0.01
Number of teeth	27.71 ± 0.22	27.85 ± 0.14	27.68 ± 0.32	27.91 ± 0.08	27.36 ± 0.65	27.89 ± 0.11	–

One-way Anova was used to evaluate differences among sections.