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A comparison of real age and estimated age (according to AlQahtani) across genders.
| Age group (in years) | N | Mean estimated age in months (SD) | Mean real age in months (SD) | Mean difference in months (SD) | p-Value |
|---|---|---|---|---|---|
| 4–6 | 26 | 60.9 (14.4) | 58.2 (10.5) | 2.7 (10.8) | 0.213 |
| 7–9 | 52 | 98.1 (12.5) | 93.5 (10.7) | 4.5 (9.5) | 0.001⁎ |
| 10–12 | 54 | 123.5 (15.3) | 125.3 (10.1) | −1.8 (9.5) | 0.171 |
| 13–15 | 49 | 158.5 (17.1) | 165.5 (9.8) | −6.9 (12.3) | 0.000⁎ |
| 16+ | 70 | 213.6 (29.5) | 218.3 (25.9) | −4.7 (21.4) | 0.068 |
t-Test, p < 0.05.
