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Table 1 Demographic and clinical characteristics of the CD patients and controls

From: Polymorphisms of the cytokine genes TGFB1 and IL10 in a mixed-race population with Crohn’s disease

  91 Cases (n%) 91 Controls (n%)
• Age   
Mean ± SD 38 ±12.8 50,3 ± 13.6
• Gender   
Female 54 (59.3) 67 (73.6)
Male 37 (40.7) 24 (26.4)
• Race group   
African-descendent 80 (87.9) 82 (90.1)
White 11 (12.1) 09 (09.9)
• Smoking   
No 71 (78.0) 64 (70.3)
Yes 20 (22.0) 27 (29.7)
• Age at diagnosis , n = 91   
A1 ≤ 16 years 12 (13.2)  
A2 17–40 years 55 (60.4)  
A3 > 40 years 24 (26.4)  
• Location , n = 82   
L1 ± L4 Ileum 17 (20.7)  
L2 ± L4 Colon 21 (25.6)  
L3 ± L4 Ileum and colon 43 (52.4)  
L4 Isolated upper gastrointestinal tract 1 (1.3)  
• Behavior, n = 90   
B1 ± P Non-stricturing, non-penetrating 62 (68.9)  
B2 ± P Stricturing 13 (14.4)  
B3 ± P Penetrating 15 (16.7)  
P Perianal disease modifier 40 (44.4)  
  1. n (%) Number of individuals (percent).