Skip to main content

Table 4 Comparison of the actual and estimated age by the regression model including significant variables (n = 300)

From: Age estimation by pulp to tooth area ratio in canine teeth using cone-beam computed tomography

Age group (year)NObserved agePredicted ageDifference (predict–observed)P value
Mean ± SDMean ± SDMean ± SD
Under 203717.14 ± 1.6820.58 ± 6.573.45 ± 6.480.003
20–307625.32 ± 2.7327.47 ± 5.712.15 ± 4.970.000
30–407035.26 ± 2.7435.65 ± 5.420.29 ± 5.620.569
40–507045.82 ± 3.0544.62 ± 3.87− 1.21 ± 4.580.033
50–604754.21 ± 2.7148.75 ± 4.95− 5.47 ± 5.210.000