Table 2 Comparison of the index of premolars found on Bulgarian territory during the Eneolithic period and in modern southern Bulgarian population
From: Few dental indices in modern Bulgarian population from southern Bulgaria
Parameters | Eneolithic period | Current study | P | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
N | Mean | SD | SE | Parameters | N | Mean | SD | SE | ||
I44MD | 98 | 6.5 | 0.64 | 0.07 | I44MD | 232 | 6.46 | 0.68 | 0.11 | > 0.05 |
I45MD | 98 | 6.8 | 0.71 | 0.07 | I45MD | 232 | 6.33 | 0.78 | 0.13 | < 0.001 |
Premolar index | 98 | 104.62 | 6.59 | 0.67 | Premolar index | 232 | 98.06 | 6.78 | 0.73 | < 0.001 |