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Table 1 Group demographic and clinical characteristicsa

From: Differences in gut microbial composition correlate with regional brain volumes in irritable bowel syndrome

  HC    IBS     
  M SD N M SD N t p
Sex (% female)b 61%   23 72%   29   .55
Age 26.00 6.48 23 26.07 5.72 29 −0.04 .97
Body mass index 22.79 8.54 23 23.18 6.44 29 −0.18 .86
HAD anxiety 4.61 3.31 23 7.34 5.15 29 −2.21 .03
HAD depression 2.00 2.02 23 3.24 3.09 29 −1.66 .10
ETI_General_Scorec 1.57 (0–6) 1.53 23 2.00 (0–5) 1.69 27 −0.95 .35
ETI_Physical_Score 1.50 (0–5) 1.79 22 1.33 (0–4) 1.57 27 0.35 .73
ETI_Emotional_Score .41 (0–1) .908 22 1.19 (0–5) 1.90 27 −1.76 .09
ETI_Sexual_Score .26 (0–4) .915 23 .42 (0–5) 1.24 26 −0.52 .61
ETI_Total_Score 3.82 (0–15) 3.61 22 4.69 (0–17) 4.82 26 −.70 .49
Perceived stress score 12.73 7.04 22 17.39 7.08 28 −2.32 .02
Coping Scale Questionnaire .67 1.08 21 1.56 1.44 27 −2.34 .02
  1. Abbreviations: HC healthy controls, IBS irritable bowel syndrome, M mean, P probability, SD standard deviation, t independent t statistic
  2. aClinical characteristics for healthy controls and subjects with irritable bowel syndrome
  3. bPercentage of female in each group, p value from Fisher’s exact test
  4. cRange of scores in parentheses