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Clinical characteristics of knee pain and controls in the UK Biobank
| UK Biobank | |||
|---|---|---|---|
| Covariates | Cases | Controls | P |
| Sex (male:female) | 12,062:10,142 | 71,480:77,832 | <0.001 |
| Age (years) | 58.3 (7.64) | 56.9 (7.97) | <0.001 |
| BMI (kg m−2) | 28.6 (4.88) | 26.7 (5.00) | <0.001 |
A χ² test was used to test the difference of gender frequency between cases and controls and an independent t test was used for other covariates. Continuous covariates were presented as mean (standard deviation).
BMI body mass index
