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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