Table 1.
Prevalence of chondrocalcinosis (CC) and metacarpophalangeal joint (MCPJ) calcification
| Index joint | Prevalence (95% CI) of CC | |||||
|---|---|---|---|---|---|---|
| Overall (%) | Right (%) | Left (%) | Unilateral (%) | Bilateral (%) | Isolated (%) | |
| Knee | 8.0 (7.0-8.9) | 6.7 (5.8-7.5) | 6.0 (5.2-6.8) | 3.3 (2.7-3.9) | 4.7 (4.0-5.4) | 2.7 (2.2-3.4) |
| Wrist | 6.9 (6.0-7.8) | 5.4 (4.6-6.2) | 5.8 (5.0-6.6) | 2.7 (2.1-3.2) | 4.3 (3.6-4.9) | 2.0 (1.6-2.6) |
| Hip | 5.0 (4.3-5.9) | 4.0 (3.3-4.7) | 3.0 (2.4-3.6) | 3.1 (2.5-3.7) | 2.0 (1.5-2.5) | 1.4 (1.0-1.9) |
| Symphysis | 3.6 (2.9-4.2) | N/A | N/A | N/A | N/A | 0.8 (0.5-1.2) |
| Any MCPJs | 1.5 (1.1-2.0) | 0.9 (0.6-1.2) | 1.1 (0.7-1.4) | 0.4 (0.2-0.6) | 1.1 (0.8-1.5) | 0.1 (0.0-0.3) |