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

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)