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Table 4 Age- and sex-standardized prevalence of calcium pyrophosphate deposition crystal arthropathy (CPPD) and other non-gout crystal arthropathies and in relation to occupation and educational and income levels

From: Prevalence and incidence of non-gout crystal arthropathy in southern Sweden

 CPPDOther non-gout crystal arthropathies
EducationPrevalence (95% CI)Prevalence (95% CI)
 0–9 years0.09 (0.08–0.10)0.19 (0.17–0.21)
 10–12 years0.09 (0.08–0.10)0.17 (0.15–0.18)
 13–14 years0.09 (0.07–0.11)0.14 (0.11–0.16)
 15+ years0.07 (0.05–0.09)0.13 (0.11–0.15)
Income
 Lowest0.08 (0.07–0.10)0.14 (0.12–0.16)
 Middle0.09 (0.08–0.10)0.17 (0.16–0.19)
 Highest0.07(0.05–0.08)0.14 (0.12–0.17)
Occupation
 White, high0.07 (0.06–0.09)0.14 (0.12–0.15)
 White, low0.07 (0.06–0.09)0.16 (0.14–0.18)
 Blue, high0.14 (0.10–0.17)0.19 (0.15–0.23)
 Blue, low0.09 (0.07–0.11)0.17 (0.15–0.19)