Shape Approximation and Size Difference of the Upper Part of the Talus: Implication for Implant Design of the Talar Component for Total Ankle Replacement

Table 2

Key parameters of fitting geometries in different size groups.

	Mean	Range	Group by the average SD
			<18.91 mm	>18.91 and <21.00 mm	>21.00 and <23.09 mm	>23.09 mm	Significance of difference among groups
	—	—	14	34	29	13	—
(mm)		16.39-26.27
(mm)		16.46-25.18
(mm)		11.67-20.23
(mm)		7.85-20.80
(mm)		12.33-21.61
(mm)		12.68-18.42
(degrees)		55.61-90.18
(degrees)		66.35-97.50
(degrees)		6.21-35.52
(degrees)		1.07-24.27

: number of subject in each group.