Table 2 Statistical factor analysis, with item loading and communality for a Swedish Canine Orthopaedic Index
From: Adaptation of the Canine Orthopaedic Index to evaluate chronic elbow osteoarthritis in Swedish dogs
Item | Factor | Factor loading | Communality |
|---|---|---|---|
1. Stiffness in the morning | 1 | 0.67 | 0.45 |
2. Stiffness during the day | 1 | 0.82 | 0.69 |
3. Ability to rise to standing | 1 | 0.69 | 0.50 |
5. General joint discomfort | 1 | 0.80 | 0.71 |
6. Ability to jump up | 2 | 0.92 | 0.88 |
7. Ability to jump down | 2 | 0.93 | 0.89 |
8. Ability to climb up | 3 | 0.97 | 0.95 |
9. Ability to climb down | 3 | 0.95 | 0.92 |
11. Severity of lameness during mild activity | 1 | 0.72 | 0.69 |
13. Severity of lameness during moderate activity | 1 | 0.68 | 0.62 |
15. Stiffness the day after moderate activity | 1 | 0.68 | 0.63 |
16. Owner awareness of dog’s joint discomfort | 1 | 0.82 | 0.76 |
20. QOL during the last month | 1 | 0.37 | 0.15 |
21. Decrease in general activity | 1 | 0.61 | 0.46 |
22. Concerns about life length | 1 | 0.79 | 0.63 |