primary osteoarthritis of the knee
Item
primary osteoarthritis of the knee
boolean
C0409959 (UMLS CUI [1,1])
C0205225 (UMLS CUI [1,2])
mono-articular disease
Item
mono-articular disease (charnley modified type a)
boolean
comorbidity
Item
significant co-morbidity affecting ability to ambulate
boolean
C0009488 (UMLS CUI [1])
flexion contracture
Item
flexion contracture greater than 15°
boolean
C0333068 (UMLS CUI [1])
tibial subluxation
Item
tibial subluxation greater than 10 mm on standing ap radiograph
boolean
C2036887 (UMLS CUI [1])
varus or valgus
Item
greater than 10° of varus or 15° of valgus
boolean
C0432593 (UMLS CUI [1,1])
C0042282 (UMLS CUI [1,2])
extension lag
Item
extension lag greater than 10°
boolean
C0231746 (UMLS CUI [1])
ligament instability
Item
lateral or medial collateral ligament instability (> 10° varus/valgus)
boolean
C0427264 (UMLS CUI [1])
C0427265 (UMLS CUI [2])
osteotomy about the knee
Item
previous osteotomy about the knee
boolean
C0029468 (UMLS CUI [1])
arthroplasty of the knee
Item
previous arthroplasty of the knee
boolean
C0086511 (UMLS CUI [1])
patellectomy
Item
previous patellectomy
boolean
C0187898 (UMLS CUI [1])
leg length discrepancy
Item
leg length discrepancy greater than 10 mm
boolean
C0023221 (UMLS CUI [1])
morbid obesity
Item
morbid obesity (obesity that results in significant systemic problems)
boolean
C0028756 (UMLS CUI [1])