Table I.

Predefined variables included as potential contributors to malalignment of the lower limb.

Variable	Medical record review	Radiological review (LLR)
Age	x
Sex	x
BMI	x
SCFE	x
Partial meniscectomy	x
Hip fracture	x	x
Total hip arthroplasty	x	x
Prior femoral trauma	x	x
Prior tibial trauma	x	x
Osteotomy	x	x
ACL reconstruction	x	x
Cartilage procedure	x	x
Ankle arthrodesis	x	x
Ankle fracture	x	x
Ankle arthroplasty	x	x
Other ankle injury	x	x
Osteogenesis imperfecta	x
Paget’s disease	x	x
Rickets	x
Other metabolic disorder	x
Rheumatoid arthritis	x
Other inflammatory disorder	x

ACL, anterior cruciate ligament; LLR, long leg radiograph; SCFE, slipped capital femoral epiphysis.