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Table 1 Demographic characteristics of the study subjects

From: Altered expression of protein tyrosine phosphatase, non-receptor type 22 isoforms in systemic lupus erythematosus

  Healthy With systemic lupus erythematosus
Number and gender 15 F 47 F and 2 M
Age (years) 46.2 ± 5.2 48.8 ± 12.5
Ethnicity 9 Caucasians, 4 blacks, 1 Asians, and 1 Asian/Caucasian 36 Caucasians, 4 blacks, 4 Asians, and 5 Hispanics