Table 4 Correlations of cathepsin K with clinical, laboratory and radiological parameters
Mean | Standard deviation | n | Coeffficient | Probability > |r| | |
|---|---|---|---|---|---|
Variable 1 | |||||
Cathepsin K | 304.66 | 677.607 | |||
Variable 2 | |||||
Age (years) | 62.89 | 11.1581 | 100 | 0.0543 | 0.5915 |
Rheumatoid factor (U/l) | 298.818 | 1136.49 | 100 | 0.4761 | < 0.0001 |
Morning stiffness (min) | 32 | 38.7233 | 100 | 0.1320 | 0.1905 |
Erythrocyte sedimentation rate (mm/hour) | 30.27 | 20.8404 | 100 | 0.2200 | 0.0279 |
C-reactive protein (mg/l) | 24.96 | 23.5032 | 100 | 0.1121 | 0.2670 |
Ritchie score | 11.31 | 10.3394 | 100 | 0.1353 | 0.1797 |
Proximal interphalangeal score | 1.51 | 2.69865 | 100 | 0.2560 | 0.0101 |
Disease activity score | 3.33283 | 1.43345 | 100 | 0.2093 | 0.0376 |
Larsen score | 54.77 | 49.3335 | 100 | 0.2856 | 0.0040 |