TABLE 1.

Patient Characteristics^a

Age, mean (range), y	24 (14-48)
Sex, n
Male	22
Female	65
Patella alta, No. of knees	45
Pathological TT-TG distance (>20 mm), No. of knees	39
TT-TG distance, mean (range), mm	19.12 (4-33)
Trochlear dysplasia, No. of knees	77
Type A	12
Type B	11
Type C	19
Type D	35

^aTT-TG, tibial tuberosity–trochlear groove.