Table 5.

Mean and standard deviation of the absolute error (in years) in the age estimation method for subjects aged between five and 17.

Predictor	Absolute Error ($\mu \pm \sigma$)
	Semiautomatic	Automatic
Linear distances and angles	1.75 ± 1.24	1.80 ± 1.28
Centroid size	2.40 ± 1.83	2.38 ± 1.83
Shape variations	1.57 ± 1.17	1.79 ± 1.17
Shape parameters	1.82 ± 1.26	1.70 ± 1.09
Shape parameters +    Centroid size	1.53 ± 1.26	1.57 ± 1.21