Age group | Gender | N | Chronological age (CA) (mean ± SD) | Dental age (DA) (mean ± SD) | CA–DA (mean ± SD) | p-value |
---|---|---|---|---|---|---|
16–16.9 | Male | 32 | 16.46 ± 0.26 | 17.14 ± 1.03 | − 0.69 ± 0.92 | 0.000** |
Female | 38 | 16.51 ± 0.32 | 17.8 9 ± 0.84 | − 1.38 ± 0.82 | 0.000** | |
Total | 70 | 16.49 ± 0.29 | 17.55 ± 1.00 | − 1.06 ± 0.93 | 0.000** | |
17–17.9 | Male | 38 | 17.46 ± 0.30 | 19.67 ± 2.15 | − 2.20 ± 2.26 | 0.000** |
Female | 44 | 17.50 ± 0.26 | 18.99 ± 1.86 | − 1.48 ± 1.85 | 0.000** | |
Total | 82 | 17.49 ± 0.28 | 19.30 ± 2.02 | − 1.82 ± 2.07 | 0.000** | |
18–18.9 | Male | 38 | 18.57 ± 0.24 | 19.10 ± 2.05 | − 0.52 ± 2.05 | 0.122 |
Female | 32 | 18.59 ± 0.31 | 18.98 ± 1.54 | − 0.38 ± 1.54 | 0.174 | |
Total | 70 | 18.58 ± 0.28 | 19.04 ± 1.82 | − 0.46 ± 1.82 | 0.039* | |
19–19.9 | Male | 26 | 19.41 ± 0.28 | 19.56 ± 1.34 | − 0.15 ± 1.33 | 0.572 |
Female | 46 | 19.56 ± 0.30 | 20.27 ± 1.49 | − 0.70 ± 1.52 | 0.003* | |
Total | 72 | 19.51 ± 0.30 | 20.01 ± 1.47 | − 0.50 ± 1.48 | 0.005* | |
20–20.9 | Male | 28 | 20.55 ± 0.27 | 20.04 ± 1.78 | − 0.51 ± 1.76 | 0.135 |
Female | 56 | 20.53 ± 0.29 | 19.23 ± 1.69 | 1.30 ± 1.65 | 0.000** | |
Total | 84 | 20.54 ± 0.29 | 19.50 ± 1.76 | 1.03 ± 1.72 | 0.000** | |
21–21.9 | Male | 38 | 21.47 ± 0.29 | 20.76 ± 1.24 | 0.70 ± 1.17 | 0.001** |
Female | 46 | 21.48 ± 0.33 | 20.76 ± 1.28 | 0.71 ± 1.19 | 0.000** | |
Total | 84 | 21.47 ± 0.31 | 20.77 ± 1.25 | 0.71 ± 1.18 | 0.000** | |
22–22.9 | Male | 30 | 22.50 ± 0.24 | 21.07 ± 1.06 | 1.43 ± 0.96 | 0.000** |
Female | 42 | 22.63 ± 0.24 | 21.19 ± 1.14 | 1.44 ± 1.23 | 0.000** | |
Total | 72 | 22.58 ± 0.24 | 21.14 ± 1.10 | 1.44 ± 1.13 | 0.000** | |
23–23.9 | Male | 34 | 23.43 ± 0.29 | 21.52 ± 0.24 | 1.91 ± 0.29 | 0.000** |
Female | 32 | 23.43 ± 0.32 | 21.56 ± 0.59 | 1.86 ± 0.66 | 0.000** | |
Total | 66 | 23.43 ± 0.30 | 23.54 ± 0.45 | 1.89 ± 0.50 | 0.000** |