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Table 4 The prevalence for specific symptoms of irritable bowel syndrome

From: Constipation in adults with neurofibromatosis type 1

  NF1 patients
(n = 175)
Controls
(n = 91)
p
Discomfort or pain anywhere in the abdomen? a 35.2% (CI: 25.2–39.5) 16.5% (CI: 9.5–25.7) 0.007
Discomfort or pain get better or stop after a bowel movement? 25.1% (CI: 18.9–32.2) 4.3% (CI: 14.0–31.9) 0.567
More frequent bowel movements when discomfort or pain 6.3% (CI: 3.2–11.0) 7.7% (CI: 3.1–15.2) 0.665
Less frequent bowel movements when discomfort or pain 12.7% (CI: 8.0–18.4) 8.9 (CI: 3.9–16.6) 0.355
Looser stools when discomfort or pain 13.1% (CI: 8.5–19.0) 7.7% (CI: 3.1–15.2) 0.183
Harder stools when discomfort or pain 11.4% (CI: 7.1–17.1) 2.2% (CI: 0.3–7.7) 0.010
Often hard or lumpy stools 14.3% (CI: 9.5–20.4) 4.4% (CI: 1.2–10.9) 0.014
Often loose, mushy or watery stools 13.7% (CI: 9.0–19.7) 8.8% (CI: 3.9–16.6) 0.242
  1. NF1 neurofibromatosis type 1, CI 95% Confidence Interval, p p-value
  2. aAt least two to three days a month
  3. Legend: The prevalence for specific symptoms of irritable bowel syndrome present at least most of the time within the group of patients with NF1 and the control group