Knee Osteoarthritis Symptomatic | Indication Surgical intervention
Item
symptomatic osteoarthritis of the knee indicating surgical intervention
boolean
C0409959 (UMLS CUI [1,1])
C0231220 (UMLS CUI [1,2])
C3146298 (UMLS CUI [2,1])
C0549433 (UMLS CUI [2,2])
Age
Item
between the ages of 21 and 80 inclusive
boolean
C0001779 (UMLS CUI [1])
Informed Consent
Item
ability to give informed consent
boolean
C0021430 (UMLS CUI [1])
Comorbidity Affecting Ability to walk
Item
significant co-morbidity affecting ability to ambulate
boolean
C0009488 (UMLS CUI [1,1])
C0392760 (UMLS CUI [1,2])
C0559964 (UMLS CUI [1,3])
Flexion contracture
Item
flexion contracture greater than 15°
boolean
C0333068 (UMLS CUI [1])
Extension lag
Item
extension lag greater than 10°
boolean
C0231746 (UMLS CUI [1])
Subluxation tibial Radiologic examination of knee, standing anteroposterior
Item
tibial subluxation greater than 10 mm on standing ap radiograph
boolean
C0332768 (UMLS CUI [1,1])
C0040184 (UMLS CUI [1,2])
C0203276 (UMLS CUI [1,3])
Arthroplasty Knee Affected | Patellectomy Knee Affected | Osteotomy Knee Affected
Item
prior arthroplasty, patellectomy or osteotomy with the affected knee
boolean
C0003893 (UMLS CUI [1,1])
C0022742 (UMLS CUI [1,2])
C0392760 (UMLS CUI [1,3])
C0187898 (UMLS CUI [2,1])
C0022742 (UMLS CUI [2,2])
C0392760 (UMLS CUI [2,3])
C0029468 (UMLS CUI [3,1])
C0022742 (UMLS CUI [3,2])
C0392760 (UMLS CUI [3,3])
Genu varum Collateral ligament Lateral Unstable | Genu varum Collateral ligament Medial Unstable | Genu valgum Collateral ligament Lateral Unstable | Genu valgum Collateral ligament Medial Unstable
Item
lateral or medial collateral ligament instability (> 10° varus/valgus)
boolean
C0544755 (UMLS CUI [1,1])
C0206365 (UMLS CUI [1,2])
C0205093 (UMLS CUI [1,3])
C0443343 (UMLS CUI [1,4])
C0544755 (UMLS CUI [2,1])
C0206365 (UMLS CUI [2,2])
C0205098 (UMLS CUI [2,3])
C0443343 (UMLS CUI [2,4])
C0576093 (UMLS CUI [3,1])
C0206365 (UMLS CUI [3,2])
C0205093 (UMLS CUI [3,3])
C0443343 (UMLS CUI [3,4])
C0576093 (UMLS CUI [4,1])
C0206365 (UMLS CUI [4,2])
C0205098 (UMLS CUI [4,3])
C0443343 (UMLS CUI [4,4])
Leg Length Inequality
Item
leg length discrepancy greater than 10 mm
boolean
C0023221 (UMLS CUI [1])
Communicable Disease
Item
active or prior infection
boolean
C0009450 (UMLS CUI [1])
Obesity, Morbid | Body mass index
Item
morbid obesity (bmi > 40)
boolean
C0028756 (UMLS CUI [1])
C1305855 (UMLS CUI [2])
Medical condition Excludes Major surgery
Item
medical condition precluding major surgery
boolean
C3843040 (UMLS CUI [1,1])
C0332196 (UMLS CUI [1,2])
C0679637 (UMLS CUI [1,3])
Severe osteoporosis | Severe osteopenia
Item
severe osteoporosis or osteopenia
boolean
C1859443 (UMLS CUI [1])
C1970459 (UMLS CUI [2])
Neuromuscular impairment
Item
neuromuscular impairment
boolean
C4062805 (UMLS CUI [1])