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Table 1 Demographic data of patients with rheumatoid arthritis in the REAL study (9)

From: Rheumatoid artrhitis treatment in Brazil: data from a large real-life multicenter study

Demographic dataAbsolute value or%n
Years of study – median (min-max)8 (0–20)1081
Ethnicity 1115
 White56.8% 
 Black10.9% 
 Pardo31.3% 
 Others1.0% 
Social Classa 1115
 A1.4% 
 B13.5% 
 B218.4% 
 C127.4% 
 C231.3% 
 D-E18.0% 
  1. a Social classes based on average household income (Brazil criterion) A1: R $ 20,888 B1: R $ 9254 B2: R $ 4852 C1 R $ 2705 C2 R $ 1625 D- E: R $ 768