Table 1

Descriptive characteristics of the study cohorts

StudyCountry of originCasesControls (OA unaffected)
OA statusDefinitionNF (%)BMI±SD [kg/m2]Age±SD [yrs]DefinitionNF (%)BMI±SD [kg/m2]Age±SD [yrs]
arcOGENUKHipKL≥2 or THR131010028.4±5.864.7±9.1KL<2167110025.3±4.856.8±13.8
arcOGENUKKneeKL≥2 or TKR120910030.6±6.366.0±8.7KL<2167110025.3±4.856.8±13.8
ChingfordUKHipKL≥2 or THR9710025.0±3.966.0±5.6KL<267710024.6±3.563.1±5.7
ChingfordUKKneeKL≥2 or TKR26610027.1±4.665.7±5.9KL<255610024.6±3.563.1±5.7
GOALUKHipKL≥2 or THR129148.729.4±5.1367.8±7.2KL<278849.727.1±4.462.7±8.4
GOALUKKneeKL≥2 or TKR161947.030.7±5.468.5±7.1KL<278849.727.1±4.462.7±8.4
HSCUKKneeKL≥2 or TKR14840.129.4±5.165.2±2.6KL<255548.926.2±3.764.8±2.6
NottinghamUKHipKL≥2 or THR152563.227.7±4.768.5±9.2KL<275056.926.6±3.966.3±9.0
NottinghamUKKneeKL≥2 or TKR178055.329.7±5.369.0±8,8KL<275056.926.6±3.966.3±9.0
TASOACAustraliaHipKL≥24465.129.4±5.465.4±7.5KL<269650.427.4±4.562.3±7.4
TASOACAustraliaKneeKL≥223949.829.3±5.267.3±7.3KL<265746.027.4±4.562.3±7.4
TwinsUKUKHipKL≥2 or THR8810026.0±4.657.4±8.0KL<238510024.3±4.150.3±6.7
TwinsUKUKKneeKL≥2 or TKR14810028.1±5.358.8±7.5KL<238510024.3±4.150.3±6.7
  • GOAL, Genetics of Osteoarthritis and Lifestyle; TASOAC, Tasmanian Older Adult Cohort.