Gender
Item
female
boolean
C0079399 (UMLS CUI [1])
Age
Item
40 years and older
boolean
C0001779 (UMLS CUI [1])
Compliance behavior X-ray Willing | Compliance behavior MRI Willing | Compliance behavior X-ray Able | Compliance behavior MRI Able
Item
subjects who are willing and able to comply with x-ray and mri procedures
boolean
C1321605 (UMLS CUI [1,1])
C0034571 (UMLS CUI [1,2])
C0600109 (UMLS CUI [1,3])
C1321605 (UMLS CUI [2,1])
C0024485 (UMLS CUI [2,2])
C0600109 (UMLS CUI [2,3])
C1321605 (UMLS CUI [3,1])
C0034571 (UMLS CUI [3,2])
C0085732 (UMLS CUI [3,3])
C1321605 (UMLS CUI [4,1])
C0024485 (UMLS CUI [4,2])
C0085732 (UMLS CUI [4,3])
Informed Consent
Item
evidence of a personally signed and dated consent document
boolean
C0021430 (UMLS CUI [1])
Inclusion criteria Controls Normal
Item
additional inclusion for normal controls:
boolean
C1512693 (UMLS CUI [1,1])
C0009932 (UMLS CUI [1,2])
C0205307 (UMLS CUI [1,3])
Knee pain Infrequent | Knee stiffness Infrequent | Pharmacotherapy Infrequent Knee pain
Item
infrequent knee pain, aching, or stiffness during the past year or infrequent use of medication for treatment of knee pain during the past year
boolean
C0231749 (UMLS CUI [1,1])
C0521114 (UMLS CUI [1,2])
C0240129 (UMLS CUI [2,1])
C0521114 (UMLS CUI [2,2])
C0013216 (UMLS CUI [3,1])
C0521114 (UMLS CUI [3,2])
C0231749 (UMLS CUI [3,3])
Knee Osteoarthritis Absent Kellgren-Lawrence score Radiography
Item
no evidence of oa on either knee (i.e. k-l grade = 0 diagnosed by knee radiography)
boolean
C0409959 (UMLS CUI [1,1])
C0332197 (UMLS CUI [1,2])
C3177117 (UMLS CUI [1,3])
C0845957 (UMLS CUI [1,4])
Inclusion criteria Patients Osteoarthritis
Item
additional inclusion for oa patients:
boolean
C1512693 (UMLS CUI [1,1])
C0030705 (UMLS CUI [1,2])
C0029408 (UMLS CUI [1,3])
Pain Frequently | Aching Frequently | Stiffness Frequently | Pharmacotherapy Frequently Knee pain
Item
pain, aching, or stiffness on most days of a month during the past year; or use of medication for treatment of knee pain on most days of a month during the past year
boolean
C0030193 (UMLS CUI [1,1])
C0332183 (UMLS CUI [1,2])
C0234238 (UMLS CUI [2,1])
C0332183 (UMLS CUI [2,2])
C0427008 (UMLS CUI [3,1])
C0332183 (UMLS CUI [3,2])
C0013216 (UMLS CUI [4,1])
C0332183 (UMLS CUI [4,2])
C0231749 (UMLS CUI [4,3])
Index Knee Kellgren-Lawrence score Radiography | Knee Osteoarthritis Contralateral | Knee Osteoarthritis Contralateral Moderate | Knee Osteoarthritis Contralateral Absent
Item
kellgren-lawrence grade 2 or 3 of the study knee obtained on a standard knee radiograph (with either the same or less severe oa, or no oa in the contralateral knee)
boolean
C2986546 (UMLS CUI [1,1])
C0022742 (UMLS CUI [1,2])
C3177117 (UMLS CUI [1,3])
C0845957 (UMLS CUI [1,4])
C0409959 (UMLS CUI [2,1])
C0441988 (UMLS CUI [2,2])
C0409959 (UMLS CUI [3,1])
C0441988 (UMLS CUI [3,2])
C0205081 (UMLS CUI [3,3])
C0409959 (UMLS CUI [4,1])
C0441988 (UMLS CUI [4,2])
C0332197 (UMLS CUI [4,3])
Medical contraindication MRI
Item
subject is unable to undergo mri because of contraindication
boolean
C1301624 (UMLS CUI [1,1])
C0024485 (UMLS CUI [1,2])
Gender At risk Pregnancy
Item
women at risk of pregnancy
boolean
C0079399 (UMLS CUI [1,1])
C1444641 (UMLS CUI [1,2])
C0032961 (UMLS CUI [1,3])
Body Weight
Item
weight greater than 250 lbs
boolean
C0005910 (UMLS CUI [1])
Operative Surgical Procedures Index Knee
Item
history of surgery in the study knee
boolean
C0543467 (UMLS CUI [1,1])
C2986546 (UMLS CUI [1,2])
C0022742 (UMLS CUI [1,3])
Disease Involving Index Knee joint | inflammatory joint disease | Crystal Arthropathy | Communicable Disease Index Knee
Item
history of other diseases involving the study knee joint including inflammatory joint diseases, crystalline disease, and infection of the study knee
boolean
C0012634 (UMLS CUI [1,1])
C1314939 (UMLS CUI [1,2])
C2986546 (UMLS CUI [1,3])
C0022745 (UMLS CUI [1,4])
C0683381 (UMLS CUI [2])
C0152087 (UMLS CUI [3])
C0009450 (UMLS CUI [4,1])
C2986546 (UMLS CUI [4,2])
C0022742 (UMLS CUI [4,3])