Table 5.

Complication, Satisfaction Rate, and Radiological Assessments ^a

Lead Author	Complications	Satisfaction, % b	Other Assessments
Zhang 40	None	Not reported	Residual J-sign, patellar medial laxity index
Biedert 2	Persisting pain (n = 1)	89/0/11	Cartilage injury grade
Yang 38	Limited knee flexion (n = 1)	100/0/0	Congruence angle and patellar tilt
Frings 15	Wound infection (n = 1) Screw dislocation (n = 1)	100/0/0	None
Imhoff 19	Loss of correction (n = 1) Graft slippage (n = 1)	72/15/13	None
Nelitz 27	Limited knee flexion (n = 2)	92/8/0	None

^a No patients experienced patellar redislocation; however, 6% of patients after derotational femoral osteotomy showed medial patellofemoral ligament residual graft laxity.

^b Satisfied/partially satisfied/dissatisfied.