Age, mean ± SD years | 61.5 ± 8.9 |
---|---|
Female, % | 58.8 |
Body mass index, mean ± SD kg/m2 | 30.7 ± 4.8 |
Right knee analyzed, % | 322 (53.7%) |
Kellgren/Lawrence grade, % | |
1 | 75 (12.5%) |
2 | 306 (51%) |
3 | 219 (36.5%) |
Race, % | |
African American | 109 (18.2%) |
Asian | 5 (0.8%) |
Others | 11 (1.8%) |
White | 475 (79.2%) |
Medication use, % | |
Bisphosphonate in last year | 42 (7.8%) |
PTH in last 6 months | 2 (0.3%) |
Biochemical markers, mean ± SD | |
Serum CTX-I (ng/ml) | 0.39 ± 0.21 |
Serum NTX-I (nmole BCE) | 15.11 ± 5.21 |
Serum C1M (ng/ml) | 49.87 ± 32.66 |
Serum C2M (ng/ml) | 0.48 ± 0.27 |
Serum C3M (ng/ml) | 8.26 ± 2.61 |
Serum CRPM (ng/ml) | 9.07 ± 8.13 |
Serum hsPRO-C2 (ng/ml)a | 3.72 ± 4.56 |
Urinary CTX-II (μg/ml) | 0.30 ± 0.19 |
Urinary NTX-I (nmole BCE) | 33.33 ± 17.70 |
Urinary CTX-Iα (ng/ml) | 0.43 ± 0.34 |
Urinary CTX-Iβ (μg/L) | 2.26 ± 1.76 |