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. 2017 Nov 14;8:818. doi: 10.3389/fphar.2017.00818

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.