Accuracy of Four Tooth Size Prediction Methods on Malay Population

Table 4

Comparison between actual and predicted values for each tested method. Females samples^a.

Actual (mm); (C + P1 + P2); Mean (SD)	Tested methods		Predicted (mm); (C + P1 + P2); Mean (SD)	Actual-predicted; mean difference^b (mm); (95% CI)	P value*
Maxilla = 21.99 (1.03)	Moyers 50%	Maxilla	22.37 (0.64)	−0.38 (−0.59, −0.17)	<0.001
		Mandible	22.00 (0.69)	−0.91 (−1.11, −0.73)	<0.001
	Tanaka and Johnston	Maxilla	22.34 (0.58)	−0.35 (−0.55, −0.14)	<0.001
		Mandible	21.84 (0.58)	−0.75 (−0.95, −0.56)	0.001
Mandible = 21.08 (1.05)	Ling and Wong	Maxilla	22.2 (0.58)	−0.21 (−0.41, 0.00)	0.06
		Mandible	21.18 (0.58)	−0.10 (−0.30, 0.09)	0.29
	Jaroontham and Godfrey	Maxilla	22.27 (0.57)	−0.28 (−0.49, −0.07)	<0.01
		Mandible	22.51 (0.62)	−0.42 (−0.62, −0.23)	<0.001

^aSample size: 120.
^bIndependent 𝑡 test.
*Significant at 𝑃<0.05.