Tips and tricks to achieve osteotomy healing and prevent refracture after ulnar shortening osteotomy

Table 3 Univariate regression analysis of the surgical factors affecting osteotomy healing

Variable	Univariate regression analysis
	Time to osteotomy union			Time to osteotomy consolidation
	R	t value	p value	R	t value	p value
Osteotomy direction	0.002	0.500	0.618	0.00	0.171	0.864
Length of ulnar shortening	0.002	− 0.461	0.646	0.017	− 1.538	0.126
Use of lag screw	0.003	0.585	0.560	0.021	1.689	0.094
Plate type
LC-DCP	0.047	1.033	0.303	0.124	2.910	0.004^†
LCP	0.047	− 1.094	0.276	0.124	− 0.517	0.606
Osteotomy reduction gap	0.330	8.117	< 0.001^†	0.175	5.324	< 0.001^†

R coefficient of determination, LC-DCP limited contact dynamic compression plate, LCP locking compression plate
^†Statistical difference between groups

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