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Table 2 Proportion of D3S (decayed), MS (missing), FS (filled) and total D3MFS (decayed, missing, filled) surfaces in caries surface-based susceptibility hierarchy groups weighted by the number of surfaces in each group

From: Fluoride in the drinking water and dental caries experience by tooth surface susceptibility among adults

Caries Index components Caries surface-based susceptibility hierarchy
Group 1
6 surfaces
Group 2
12 surfaces
Group 3
20 surfaces
Group 4
90 surfaces
Total
128 surfaces
D3 S 30%a 0.2 (0.6)
0 (0)
32%a 0.4 (1.0)
0 (0)
22%b 0.4 (1.3)
0 (0)
16%b 1.5 (3.9)
0 (1)
100% 2.5 (5.7)
1 (3)
MS 36%a 2.6 (2.2)
2 (4)
24%b 3.4 (3.7)
2 (6)
26%b 6.3 (5.8)
6 (9)
14%c 14.8 (21.2)
7 (18)
100% 27.0 (31.2)
15 (34)
FS 31%a 2.2 (1.8)
2 (3)
31%a 4.5 (2.9)
4 (5)
22%b 5.3 (4.0)
5 (6)
16%c 16.7 (14.2)
13 (20)
100% 28.6 (19.5)
26 (28)
D3 MFS 33%a 5.0 (1.4)
5 (2)
28%b 8.3 (3.0)
9 (5)
24%c 12.0 (5.6)
12 (8)
15%d 32.9 (24.3)
28 (35)
100% 58.1 (32.4)
54 (49)
  1. Mean (SD) and median (interquartile range) are also presented in caries surface-based susceptibility hierarchy groups
  2. The same letter indicates a non-significant association between the same components of the D3MFS index
  3. Kruskal–Wallis test was used for the comparisons among caries surface-based susceptibility hierarchy groups