Retrospective Cohort Study
Copyright ©The Author(s) 2021.
World J Orthop. Jun 18, 2021; 12(6): 403-411
Published online Jun 18, 2021. doi: 10.5312/wjo.v12.i6.403
Table 2 Preoperative and 7.4 yr postoperative clinical finding

Preoperative value (min-max)
Postoperative value (min-max)
P value
Pain3.20 (0-5)12.38 (10-15)< 0.001
Daily activity level7.96 (6-11)16.66 (12-20)< 0.001
ROM10.48 (2-17)35.47 (28-40)< 0.001
Strength9.44 (3-25)10.42 (4-25)0.3
Constant score31.08 (16-57)74.95 (57-100)< 0.001
VAS2.88 (1-4)7.76 (5-10)< 0.001
Flexion forward74.80° (30°-120°)111.42° (60°-160°)0.06
Abduction68.00° (30°-120°)104.28° (60°-160°)< 0.001
External rotation30.40° (10°-50°)54.04° (30°-75°)< 0.001