Table 1.
Grade of alizarin red staining
| Grade | Normal group | Osteoarthritis group | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 12 F | 39 F | 43 M | 42 M | 49 F | 54 F | 55 M | 58 F | 65 F | 66 F | 70 F | |
| Transverse section | 0 | 0 | 0 | 2 | 2 | 3 | 3 | 1 | 3 | 4 | 4 |
| Longitudinal section | 0 | 0 | 0 | 3 | 1 | 3 | 3 | 1 | 4 | 4 | 4 |
| Averagea | 0 | 0 | 0 | 2.5 | 1.5 | 3 | 3 | 1 | 3.5 | 4 | 4 |
12F, 12-year-old female; 42 M, 42-year-old male; and so forth. The difference of alizarin red staining grades between the osteoarthritis group and the normal control group was statistically significant with P < 0.02. aAverage of the transverse section grade and the longitudinal section grades.