Table 3. Non-cavitated and cavitated dental caries experience and prevalence of first permanent molars of surveyed children with different districts and genders.
| Group | Non-cavitated caries | Cavitated caries | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| n | DAS (SD) | p value (F)* | DS (SD) | FS (SD) | DFS (SD) | p value(F)** | DFT > 0 (%) | p value (χ2)*** | ||
| Region | Beizhen | 1,418 | 0.24 (0.76) | <0.001 | 0.03 (0.25) | 0.03 (0.30) | 0.06 (0.39) | 0.02 | 2.8 | 0.02 |
| Dahua | 920 | 0.34 (0.99) | (40.73) | 0.03 (0.28) | — | 0.03 (0.28) | (3.16) | 2.0 | (10.11 | |
| Linxia | 1,122 | 0.07 (0.39) | 0.02 (0.19) | — | 0.02 (0.19) | 1.0 | ||||
| Linxiang | 1,476 | 0.09 (0.41) | 0.03 (0.33) | — | 0.03 (0.34) | 2.0 | ||||
| Gender | Boys | 2,544 | 0.13 (0.56) | <0.001 | 0.03 (0.29) | 0.01 (0.14) | 0.03 (0.33) | 0.12 | 1.7 | 0.13 |
| Girls | 2,392 | 0.23 (0.76) | (102.89) | 0.03 (0.25) | 0.01 (0.18) | 0.04 (0.30) | (2.40) | 2.3 | (2.35) | |
| Total | 4,936 | 0.18 (0.67) | 0.03 (0.27) | 0.01 (0.16) | 0.04 (0.31) | 2.0 | ||||
Notes.
*
p value of comparison of DAS.
**
p value of comparison of DFS.
***
p value of comparison of DFT > 0 (%).