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. 2019 Mar 25;8(4):e399–e405. doi: 10.1016/j.eats.2018.11.019

Table 1.

Cartilage Grading Scale Based on Optical Reflection Spectroscopy

Type BioOptico Color Cartilage Damage
0 No color Normal cartilage
1 Pink Mild degeneration/thinning
2 Red Moderate degeneration/thinning
3 Dark red Severe degeneration/thinning