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Table 2 Baseline Demographic and Clinical Characteristics of the Patients

From: A novel collagen area fraction index to quantitatively assess bowel fibrosis in patients with Crohn’s disease

 N = 31
Gender: male / female12 /19
Age, range, years18–63
Disease duration, mean ± SD, months66.45 ± 63.77
Smoking history
 Never21 (67.74%)
 Current smoker4 (12.90%)
 Former smoker6 (19.35%)
Therapy at the time of surgery
 Anti-TNF and immunosuppressant or corticosteroid11 (35.48%)
 Anti-TNF14 (45.16%)
 immunosuppressant6 (19.35%)
Surgery type, n (%)
 Ileocolon resection19/31 (61.29%)
 Partial small bowel resection8/31 (25.81%)
 Partial colon resection4/31 (12.90%)
Regions of disease involvement
 Ileum only5/31 (16.13%)
 Ileum + jejunum3/31 (9.68%)
 Ileum + jejunum+colon4/31 (12.90%)
 Ileum + colon15/31 (48.39%)
 Colon only4/31 (12.90%)
CDAI, mean ± SD232.12 ± 73.65
CRP, mean ± SD, mg/L42.07 ± 21.19
ESR, mean ± SD, mm/h41.37 ± 19.34
  1. TNF Tumour necrosis factor; CDAI Crohn’s disease activity index, CRP C-reactive protein, ESR Erythrocyte sedimentation rate