Table 3: Mean difference between actual age and estimated age in test group.

Groups Mean Standard Deviation Significance
Overall Test Group [N=25] Actual Age 34.8 12.6 0.157
Estimated Age 37.56 5.862
MAE 2.764 1.892
Test group 17-20 years
[n=5]
Actual Age 19 1.225 0.001
Estimated Age 31.21 3.404
MAE 12.212 3.415
Test group 21-29 years
[n=5]
Actual Age 24.6 2.608 0.002
Estimated Age 36.28 4.442
MAE 11.682 3.566
Test group 30-39 years
[n=5]
Actual Age 33.6 3.05 0.375
Estimated Age 36.17 5.928
MAE 2.566 5.751
Test group 40-49 years
[n=5]
Actual Age 45.6 2.074 0.167
Estimated Age 42.01 4.005
MAE 3.59 4.765
Test group 50-60 years
[n=5]
Actual Age 51.2 2.168 0.011
Estimated Age 42.15 4.213
MAE 9.05 4.55