Retrospective Study
Copyright ©The Author(s) 2016.
World J Orthop. Aug 18, 2016; 7(8): 487-493
Published online Aug 18, 2016. doi: 10.5312/wjo.v7.i8.487
Table 2 Effect of different patient characteristics on outcome
Patient factorCategorynMedian OKS (Q1, Q3)P valueMean Melbourne Score (SD)P value
SexMale1242 (38, 46)0.2821.3 (4.7)0.31
Female2940 (37, 42)19.1 (6.4)
Trochlear dysplasiaNon-dysplastic1041 (36, 43)0.9520.0 (5.7)0.67
Dysplastic3141 (38, 43)19.0 (7.1)
Patella altaYes2141 (37, 42)0.5619.3 (6.4)0.65
No2040 (36, 44)20.2 (5.6)
Uni- or bi-lateralUnilateral1941 (37, 42)0.8319.8 (5.6)0.97
Bilateral2241 (37, 43)19.7 (6.4)
Previous surgeryYes1040 (37, 42)0.7022.0 (5.0)0.28
No3141 (37, 43)19.0 (6.1)