Table 1.
Summary of all individuals analyzed in tests of association, gene expression, and enamel microhardness
| Filipinos | Turkish | Brazilian Rio de Janeiro | Brazilian Friburgo | Argentinean | Turkish (Enamel Microhardness) | |
|---|---|---|---|---|---|---|
| Sample size (mean DMFTa ± SDb) |
477 (9.7 ± 7.3) |
172 (3.8 ± 4.0) |
500 (2.4 ± 3.0) |
320 (1.4 ± 2.7) |
143 (7.1 ± 7.8) |
100 (5.2 ± 3.4) |
| High caries groupc (mean DMFT ± SD) |
298 (13.3 ± 6.7) |
92 (7.2 ± 2.3) |
171 (5.8 ± 2.6) |
53 (6.7 ± 2.8) |
66 (13.0 ± 7.9) |
63 (7.3 ± 2.5) |
| Low caries groupc (mean DMFT ± SD) |
179 (3.6 ± 2.4) |
80 (0) |
329 (0.6 ± 0.9) |
267 (0.4 ± 0.9) |
77 (2.0 ± 2.3) |
37 (1.7 ± 1.0) |
| Females |
224 |
93 |
236 |
158 |
83 |
62 |
| Males |
253 |
79 |
264 |
162 |
60 |
38 |
| Age (mean ± SD) |
25.8 ± 16.3 |
5.4 ± 0.8 |
9.1 ± 3.1 |
3.5 ± 1.5 |
21.7 ± 15.6 |
17.2 ± 3.1 |
| The number of pedigrees | 72 | unrelated | unrelated | unrelated | unrelated | unrelated |
aDecayed, Missing due to caries, Filled Teeth.
bStandard Deviation.
cHigh and low dental caries experience was defined based on our original genome wide linkage study.