Model assessment
Increase in count | Clinical | Clinical damage in hands and feet | Radiological | |||
---|---|---|---|---|---|---|
Observed | Predicted | Observed | Predicted | Observed | Predicted | |
(A) Observed increases in damaged joint counts | ||||||
0 | 4436 | 4432.3 | 4726 | 4721.5 | 627 | 644.7 |
1–4 | 5293 | 5305.9 | 5381 | 53393.6 | 1218 | 1193.3 |
5–10 | 152 | 135.9 | 107 | 90.6 | 132 | 130.7 |
>10 | 61 | 64.3 | 37 | 40.8 | 31 | 57 |
Increase in joint count | Centile of the prediction score | ||||
---|---|---|---|---|---|
(B) Estimated probabilities of new damage over a 2-year period | |||||
10% | 30% | 50% | 70% | 90% | |
0 | 0.821 | 0.760 | 0.693 | 0.637 | 0.583 |
1–4 | 0.165 | 0.201 | 0.222 | 0.226 | 0.221 |
>4 | 0.014 | 0.039 | 0.085 | 0.137 | 0.195 |