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Other calcium-containing crystal types in same cartilage area according to presence/absence of carbonated apatite crystals
| Crystal | Samples without CA crystals (n = 70) | Samples with CA crystals (n = 71) | P value |
|---|---|---|---|
| CPP | 16 (22.8) | 4 (5.6) | 0.003 |
| ACCP | 2 (2.9) | 1 (1.4) | 0.551 |
| WH | 1 (1.4) | 3 (4.3) | 0.317 |
Data presented as number (%). ACCP, amorphous carbonated calcium phosphate; CA, carbonated apatite; CPP, calcium pyrophosphate crystals; WH, whitlockite.
