Table 2

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.

Nguyen et al. Arthritis Research & Therapy 2013 15:R103   doi:10.1186/ar4283

Open Data