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. 2012 Jul 13;17(3):785–791. doi: 10.1007/s00784-012-0774-5

Table 2.

Baseline and 2-year follow-up caries index D₆FS, registered at D₃ and D₁-D₃ level

	Xylitol group, subjects = 0				Non-xylitol group, subjects = 78
	Manifest lesion (D₃)		Initial lesion (D₁–D₂)		Manifest lesion (D₃)		Initial lesion (D₁–D₂)
	D₆FS >0 subjects (%)	D₆FS mean (SE)	D₆FS >0 subjects (%)	D₆FS mean (SE)	D₆FS >0 subjects (%)	D₆FS mean (SE)	D₆FS >0 subjects (%)	D₆FS mean (SE)
Baseline	40 (57.14)	0.61 (0.17)	54 (77.14)	1.52 (0.18)	44 (56.41)	0.61 (0.15)	60 (76.92)	1.45 (0.18)
Follow-up	41 (58.57)	0.62 (0.19)	56 (80.00)	1.65 (0.17)	52 (66.67)	0.79 (0.17)	73 (93.59)	2.12 (0.20)
∆D₆S value	1 (1.43)^a	0.01 (0.01)^b	2 (2.86)^b	0.13 (0.04)^c	8 (10.26)^c	0.18 (0.05)^d	13 (16.66)^c	0.67 (0.06)^e

Value expressed as caries prevalence, means and standard errors

^aEquality of proportion test p = 0.10

^bNonparametric Mann–Whitney U test p = 0.12

^cEquality of proportion test p < 0.01

^dNonparametric Mann–Whitney U test p = 0.03

^eNonparametric Mann–Whitney U test p = 0.02