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Table 1 Clinical characteristics of patients with X-ray and/or serology versus others

From: The phenotype and genotype of rheumatoid arthritis in the Democratic Republic of Congo

Patients Average age (years) Disease duration DAS-28 >5.1 Clinical presentation* Frequency of deformities
Without X-ray 53.3 ± 16.0 4.5 ± 2.4 100% 100% 21.6%
With X-ray 49.9 ± 14.0 3.5 ± 2.6 100% 100% 22.0%
Without serology 50.9 ± 15.3 4.1 ± 2.8 100% 100% 21.4%
With serology 51.6 ± 14.9 3.9 ± 2.9 100% 100% 22.2%
  1. (*): symmetric arthritis, hand joints involvement and involvement ≥3 joint areas. DAS-28, Disease Activity Score 28