Table 1.

A comparison of the anatomical measurements between model and both observers.

	Model vs. observer 1		Model vs. observer 2		Observer 1 vs. observer 2
	Paired diff.	p value	Paired diff.	p value	Paired diff.	p value
Area (mm2)	3.3 ± 16.8	0.008	2.0 ± 22.4	0.046	1.3 ± 21.1	0.752
Perimeter (cm)	0.6 ± 1.7	0.0001	0.5 ± 2.6	0.0016	0.2 ± 2.5	0.513

Paired difference reported as mean ± standard deviation.