Reference (n = 20) | OA (n = 16) | P value | |
---|---|---|---|
Age (years) | 83 (77–85.5) | 66.5 (61–75.5) | ≤0.001 |
Mankin grade | 2 (1–2) | 4 (3.5-5) | ≤0.001 |
Immunostaining score | 0.5 (0.5-0.5) | 2 (2–3) | ≤0.001 |
ECP | 0.45 (0.38-0.63) | 1.04 ( 0.84-1.56) | ≤0.001 |
% Hydration | 68.1 (64–70.4) | 73.6 (70.8-77.9) | ≤0.001 |
GAG | |||
Wet | 39.8 (34–45.6) | 38.6 (34–45.2) | 0.644 |
Dry | 128.8 (119.6-135) | 152.8 (129.4-165) | 0.012 |
Total hydroxyproline | |||
Wet | 25.3 (23.1-27.5) | 22.4 (18–27.3) | 0.083 |
Dry | 79.6(72.2-87) | 84.6 (76.4-95.7) | 0.233 |