Table 2.
Cross-correlation analysis between Digital Arthritis Index (DAI) and standard measures.
DAI | Δ Joint size | Arthritis score | |
---|---|---|---|
DAI | 0.84* | 0.87* | |
Δ Joint size | 0.84∗ | 0.90* | |
Arthritis Score | 0.87∗ | 0.90* | |
Histopathology | |||
Inflammation score | 0.93∗ | 0.89* | 0.94* |
Pannus | 0.79∗ | 0.83* | 0.78* |
Cartilage damage | 0.89∗ | 0.81** | 0.87* |
Bone resorption | 0.78∗ | 0.82* | 0.77* |
Periosteal bone formation | 0.71∗ | 0.64* | 0.62* |
Total score | 0.91∗ | 0.87* | 0.89* |
n = 52 rats from three independent experiments were used for analysis. ∗P ≤ 0.0001.