Table 2.

Clinical Outcomes Used by the PLUTO Study Group

Clinical Outcome	Measurement Instrument
Knee function at 2 years post-ACL reconstruction	➢Pedi-IKDC
Health-related quality of life	➢Pediatric Quality of Life Inventory
Graft failure	➢Physical examination (Lachman test, pivot-shift test) ➢Magnetic resonance imaging ➢Reoperation
Activity level	➢HSS Pedi-FABS ➢Physical Activity Questionnaire
Growth disturbance	➢Physical examination ➢Hip-to-ankle radiograph until skeletal maturity
Subsequent meniscal or chondral injury	➢Physical examination ➢Magnetic resonance imaging ➢Reoperation

ACL, anterior cruciate ligament; HSS Pedi-FABS, Hospital for Special Surgery Pediatric Functional Activity Brief Scale; Pedi-IKDC, Pediatric International Knee Documentation Committee Subjective Knee Form; PLUTO, Pediatric ACL: Understanding Treatment Outcomes.