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Table 2 Characteristics of study subjects

From: Inflammation causes tissue-specific depletion of vitamin B6

Characteristic RA (n = 33) Controls (n = 17) P
Sex (F:M) 23:10 10:7 -
Age 53.5 ± 12.4 52.9 ± 15.7 NS
Height (cm) 167.3 ± 11.0 170.1 ± 8.6 NS
Weight (kg) 77.1 ± 21.1 74.9 ± 17.9 NS
Rheumatoid factor (IU/mL) 89.4 ± 76.1 < 20 <0.0001
Chemistry
   Urinary creatinine (g/24 h) 1.0 ± 0.4 1.2 ± 0.3 NS
   Serum urea nitrogen (mg/dL) 13.2 ± 4.3 15.6 ± 3.0 <0.05
   Albumin (g/dL) 3.9 ± 0.4 4.0 ± 0.4 NS
   Serum AST (IU/L) 19.4 ± 9.8 21.9 ± 11.2 NS
   Serum ALT (IU/L) 21.4 ± 4.5 23.9 ± 7.5 NS
   Alkaline phosphatase (IU/L) 72.2 ± 19.6 57.2 ± 14.3 <0.01
Hematology
   White blood cell counts (/nL) 7.3 ± 3.0 5.5 ± 1.2 <0.01
   Hematocrit (%) 38.0 ± 3.5 39.8 ± 3.1 0.06
   Hemoglobin (g/dL) 13.0 ± 1.6 13.7 ± 1.2 0.08
   Mean corpuscular volume (fL) 88.3 ± 4.1 87.6 ± 6.4 NS
   ESR (mm/h) 30.8 ± 20.4 8.2 ± 2.8 <0.0001
  1. Data are presented as means ± SD. AST, aspartate aminotransferase; ALT, alanine aminotransferase; ESR, erythrocyte sedimentation rate; RA, rheumatoid arthritis. Bold P values are statistically significant.