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Cartilage thickness, chondrocyte number, and GAG content in four groups.
| SED | LIR | MIR | HIR | |
|---|---|---|---|---|
| Cartilage thickness (μm) | 171.61 ± 52.19 | 210.88 ± 55.71∗# | 232.47 ± 65.39∗# | 161.65 ± 43.39 |
| Chondrocyte number | 88.67 ± 23.62 | 149.67 ± 28.99∗# | 130.67 ± 10.23∗# | 73.17 ± 9.66 |
| GAG content | 0.086 ± 0.016 | 0.134 ± 0.032* | 0.138 ± 0.023* | 0.077 ± 0.019 |
*P < 0.05 compared to SED group; # P < 0.05 compared to HIR group.
