Table 2 Mean value ± standard deviation, (skewness index) of DMFT index and components in 1989, 1992, 1995, and 1999, 2004.
From: Changing trend of caries from 1989 to 2004 among 12-year old Sardinian children
Year | DMFT | DT | MT | FT |
|---|---|---|---|---|
1989 | 4.3 ± 3.1 (γ1 = 0.49) | 1.9 ± 2.1 | 0.1 ± 0.5 | 2.2 ± 2.4 |
1992 | 4.1 ± 3.4 (γ1 = 0.90) | 2.1 ± 2.5 | 0.1 ± 0.6 | 1.9 ± 2.6 |
1995 | 3.0 ± 2.8 (γ1 = 1.20) | 1.5 ± 2.3 | 0.1 ± 0.1 | 1.4 ± 1.8 |
1999 | 2.3 ± 2.7 (γ1 = 1.31) | 1.7 ± 2.2 | 0.05 ± 0.1 | 0.7 ± 1.4 |
2004 | 0.8 ± 1.57 (γ1 = 1.45) | 0.5 ± 1.04 | 0.02 ± 0.2 | 0.3 ± 0.9 |
Anova one way | p < 0.01 | p < 0.01 | p < 0.01 | p < 0.01 |