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Table 4 ESR and CRP levels in men and women per age group

From: How age and sex affect the erythrocyte sedimentation rate and C-reactive protein in early rheumatoid arthritis

Men (N = 227) Women (N = 362)
Variable* Median (IQR) Variable* Median (IQR)
ESR   ESR  
Age group   Age group  
  <55 years (n = 70) 11.00 (4.75-29.00) <55 years (n = 161) 15.00 (8.00-29.00)
  55 - 65 years (n = 80) 17.50 (10.00-33.00)   55 - 65 years (n = 95) 25.00 (12.00-37.00)
  >65 years (n = 77) 31.00 (17.50-41.50)   >65 years (n = 106) 27.00 (17.75-42.00)
CRP   CRP  
Age group   Age group  
  <55 years (n = 70) 6.50 (5.00-17.50)   <55 years (n = 161) 5.00 (5.00-13.00)
  55 - 65 years (n = 80) 8.50 (5.00-24.00)   55 - 65 years (n = 95) 5.00 (5.00-18.00)
  >65 years (n = 77) 11.00 (5.00-26.50)   >65 years (n = 106) 10.00 (5.00-24.25)
  1. *ESR = erythrocyte sedimentation rate, CRP = C-Reactive Protein.