Clinical Outcomes of Radial Shortening Osteotomy and Vascularized Bone Graft in Kienböck’s Disease

Table 3

Comparison of frequency of subjects in different scores of different parts of Mayo Wrist score, before and after the surgery ().

Mayo Wrist score parts	Radial shortening		Radial shortening and graft		Between groups
					-value
	Before surgery	After surgery	Before surgery	After surgery	Before surgery	After surgery
Pain intensity
No pain	0	0	0	0	1.000	0.75
Mild occasional	0	11 (91.7)	0	10 (83.3)
Moderate, tolerable	6 (50)	1 (8.3)	6 (50)	2 (16.7)
Sever to intolerable	6 (50)	0	6 (50)	0
Within groups P-value	0.002		0.001
Function status
Returned to regular employment	0	0	0	6 (50)	0.32	0.03
Restricted employment	3 (25)	12 (100)	6 (50)	6 (50)
Able to work, but unemployed	0	0	0	0
Unable to work because of pain	9 (75)	0	6 (50)	0
Within groups P-value	0.003		0.007
Range of motion (% of normal side)
100%	0	0	0	0	0.75	0.001
75–99%	0	3 (25)	0	11 (91.7)
50–74%	0	9 (75)	0	1 (8.3)
25–49%	11 (91.7)	0	12 (100)	0
0–24%	1 (8.3)	0	0	0
Within groups P-value	0.001		0.001
Range of motion (If only injured hand examined)
Greater than 120 degrees	0	0	0	0	1.000	0.03
90–120 degrees	0	6 (50)	0	11 (91.7)
60–90 degrees	0	6 (50)	0	1 (8.3)
30–60 degrees	12 (100)	0	12 (100)	0
less than 30 degrees	0	0	0	0
Within groups P-value	0.002		0.001
Grip strength % of normal
100%	0	0	0	0	1.000	0.001
75–99%	0	3 (25)	0	12 (100)
50–74%	0	9 (75)	0	0
25–49%	12 (100)	0	12 (100)	0
0–24%	0	0	0	0
Within groups P-value	0.001		0.001

All variables are Number (%).
: -value is extracted from Mann-Whitney Test and Wilcoxon Signed Ranks Test.