| K/L | 1 | 2 | 3 | 4 |
---|
sHA | Mean | 33.0 | 34.8 | 42.0 | 57.4 |
(ng/ml) | (SD) | (2.1) | (2.1) | (2.0) | (2.1) |
 | Reference interval | 26.5 - 41.1 | 29.7 - 40.8 | 36.0 - 48.9 | 49.6 - 66.5 |
- Data indicates mean (SD). All analyses were adjusted for age and body mass index (BMI). Covariates appearing in the model are evaluated at the following values; age = 69.1, BMI = 24.5. K/L: Kellegren Laurence grade.