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Table 1 Distribution of baseline characteristics of patients at diagnosis and at inclusion

From: A risk score system to timely manage treatment in Crohn’s disease: a cohort study

   N % Median IQR
Gender Female 93 58.1   
Age at diagnosis     31 (22.8–42.6)
Age at study enrollment     40 (29.1–53.8)
Years from diagnosis to study enrollment    6.0 (1.3–11.3)
Smoker at diagnosis Yes 91 56.9   
Smoker at study enrollment Yes 74 46.2   
Family history Yes 19 11.9   
Disease Behavior B1 40 25.0   
  B2 89 55.6   
  B3 31 19.4   
Disease Location L1 98 61.3   
  L2 10 6.3   
  L3 51 31.9   
  L4 1 0.6   
Steroids at first flare-up Yes 50 31.2   
Perianal Disease at diagnosis Yes 46 28.8   
Perianal Disease at study enrollment Yes 15 9.4   
Previous surgery Yes 53 33.1   
Number of surgery at study enrollment 1 34    
  ≥ 2 19    
Extension of intestine resected a (cm)    30 (20–40)
Type of anastomosisa L-L 28 52.8   
  T-L 11 20.8   
  T-T 10 18.9   
  Stoma 1 1.9   
Abdominal symptoms Yes 71 44.4   
Serological inflammatory markers Yes 94 58.8   
Extra-intestinal disease Yes 27 16.9   
Use of azathioprine Yes 29 18.1   
Use of corticosteroids at first flare-up Yes 50 31.2   
Use of anti-TNF- α drugs Yes 15 9.4   
SICUS FINDINGS
• Site of CD lesion No lesions 18 11.2   
Ileal 142 88.8   
ICA 0 0.0   
• Intestinal wall thickness (mm)    8 (5–10)
• Extension of CD lesion (cm)    25 (9–35)
• Presence of strictures Yes 83 51.9   
• Presence of fistulas Yes 29 18.1   
• Presence of abscesses Yes 12 7.5   
• Presence of MFH Yes 38 23.8   
• Presence of enlarged nodes Yes 14 8.8   
• Presence of enlarged spleen Yes 34 21.3   
BMI     22 (19.6–25.3)
CDAI     54 (24–96)
  1. IQR: Interquartile range (i.e., the first value represents the 25th percentile and the 2nd one the 75th percentile of the distribution); a53 patients had a surgery before study enrollment and 50 among them had an intestinal resection