Table 2.
Summary statistics of chronological age according to third molar maturity index (I3M): number of individuals (N), average (AVG), mean standard deviation (SD), minimum value (MIN), median (MED), and maximum value (MAX).
| N | AVG | SD | MIN | MED | MAX | |
|---|---|---|---|---|---|---|
| Females | ||||||
| 0.0-0.04 | 130 | 21.4 | 1.5 | 19 | 21.8 | 24.9 |
| 0.04-0.08 | 79 | 20.5 | 2.0 | 17 | 16 | 24.4 |
| 0.08-0.3 | 56 | 17.0 | 1.8 | 14 | 16 | 23.0 |
| 0.3-0.5 | 29 | 15.5 | 1.0 | 14 | 15 | 17.1 |
| 0.5-0.7 | 20 | 15.0 | 1.1 | 14 | 15 | 17.0 |
| 0.7-0.9 | 25 | 15.0 | 1.2 | 14 | 15 | 17.4 |
| 0.9-1.4 | 24 | 14.9 | 0.8 | 14 | 15 | 16.4 |
| Males | ||||||
| 0.0-0.04 | 84 | 22.1 | 1.7 | 18.8 | 22.1 | 24.8 |
| 0.04-0.08 | 39 | 20.3 | 1.7 | 16.0 | 20.1 | 24.8 |
| 0.08-0.3 | 40 | 16.5 | 1.1 | 14.0 | 16.5 | 18.7 |
| 0.3-0.5 | 14 | 14.7 | 0.9 | 14.0 | 14.0 | 16.7 |
| 0.5-0.7 | 9 | 15.2 | 0.7 | 14.3 | 15.1 | 17.0 |
| 0.7-0.9 | 12 | 15.0 | 1.0 | 14.0 | 14.8 | 16.1 |
| 0.9-1.4 | 10 | 14.6 | 0.7 | 14.0 | 14.5 | 16.0 |