Insall proximal realignment with/without tibial tubercle osteotomy for recurrent patellar instability yields acceptable medium- to long-term results but risk of osteoarthritis progression is considerable

Journal of Experimental Orthopaedics

Table 1 Demographic patient data (n = 42)^a

	%
Female gender	72.3
Right knee treated	44.7
Bilateral instability	40.5
BMI (kg/m2) at surgery, mean (SD; range)	25.2 (4.7; 17–39)
Duration (years) of instability at surgery, mean (SD; range)	7.7 (7.0; 1–28)