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Table 1 Demographics, clinical and oral conditions of subjects (n = 50)

From: Ectopic gut colonization: a metagenomic study of the oral and gut microbiome in Crohn’s disease

  Crohn's disease (CD) Healthy controls (HC)
Mean age* (Range) 40 (23–67) 40 (21–66)
Race
 Han Chinese 13 13
 Malay 3 3
 Indian 9 9
Sex
 Male 10 10
 Female 15 15
Oral condition
 Mean DMFT^ 6.5 ± 7.0 4.6 ± 5.0
Periodontitis present 5 5
Smoking
 Non-smoker 20 21
 Previous/current smoker 5 4
CD condition
 Length of diagnosis in years (range) 7.8 (1–20)  
 Crohn’s Disease Activity Index (CDAI) 86.2 ± 87.1  
 Current disease activity: Active (Diarrhoea, Abdominal pain, Blood-in-stool, fever and fatigue) 10  
Drug regimen#
 Steroids/Anti-inflammatory (Mesalazine) 8  
 Azathioprine 13  
 Biologics 11  
 Others (Tacrolimus, sulphasalazine) 2  
  1. *Matched controls are ± 3 years
  2. ^p-value = 0.29
  3. #some subjects are on multiple drug regimen