A 10-Year Follow-Up of Two-Incision and Modified Watson-Jones Total Hip Arthroplasty in Patients with Osteonecrosis of the Femoral Head

Table 3

Functional results of the two-incision and Watson-Jones groups.

	Two-incision group	WJ group	value
Harris Hip Score
Preoperative			0.151
6 weeks			0.982
3 months			0.961
6 months			0.933
1 year			0.868
Last follow-up			0.799
Western Ontario and McMaster University Osteoarthritis Index
Preoperative			0.222
6 weeks			0.956
3 months			0.971
6 months			0.854
1 year			0.822
Last follow-up			0.868

WJ = Watson-Jones.
Values are shown as mean (standard deviation).
values for between-group comparisons were determined using Student’s -test.