Table 2.

Radial head diameters measured using on 3D-based and 2D-based evaluation at the widest level in intact proximal radii (N = 50)

Evaluation type	Diameter	Difference (3D minus 2D)
	Mean ± SD	Mean ± SD	|maximum|*
3D-based	23.0 ± 1.7
2D-based (minimum)	22.2 ± 1.5	0.8 ± 0.5†	2.0
2D-based (maximum)	23.6 ± 1.8	−0.5 ± 0.4†	1.8
2D-based (average)	22.9 ± 1.7	0.1 ± 0.3†	1.0

* Absolute maximum

^†Significantly different from zero (all p < 0.01)