Table 3 OA score; semi-quantitative method
From: Jellyfish mucin may have potential disease-modifying effects on osteoarthritis
| Â | Stage % Involvement (surface, area, volume) | |||
|---|---|---|---|---|
Grade (key feature) | Stage 1 <10% | Stage 2 10-25% | Stage 3 25-50% | Stage 4 >50% |
Grade 1(surface intact) | 1 | 2 | 3 | 4 |
Grade 2 (surface discontinuity) | 2 | 4 | 6 | 8 |
Grade 3 (vertica fissures, clefts) | 3 | 6 | 9 | 12 |
Grade 4 (erosion) | 4 | 8 | 12 | 16 |
Grade 5(denudation) | 5 | 10 | 15 | 20 |
Grade 6(deformation) | 6 | 12 | 18 | 24 |