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Table 2 Demographics and health characteristics by IBS-D severity

From: Impact of symptom severity in patients with diarrhoea-predominant irritable bowel syndrome (IBS-D): results from two separate surveys of HCPs and patients with IBS-D

 

Mild IBS-D (n = 124)

Moderate IBS-D (n = 158)

Severe IBS-D (n = 193)

Female, N (%)

81 (65)

109 (69)

143 (74)

Mean age, years (SD)

40.4 (10.9)

40.5 (11.2)

42.0 (12.1)

Most common comorbidities, N (%)a, b

 Anxiety

42 (34)

60 (38)

73 (38)

 Depression

26 (21)

35 (22)

65 (34)*

 Migraine

31 (25)

41 (26)

55 (28)

 Gastric reflux

23 (19)

38 (24)

39 (20)

 Lactose intolerance

11 (9)

23 (15)

30 (16)

 Fibromyalgia

3 (2)

5 (3)

22 (11)*

 Diarrhoea due to bacterial infection

13 (10)

9 (6)

10 (5)

Diagnostic testing history, N (%)c, d

 Blood tests

94 (76)

121 (77)

158 (82)

 Stool test

72 (58)

95 (60)

128 (66)

 Endoscopy/colonoscopy

59 (48)

91 (58)

134 (69)*

 Food allergy tests

42 (34)

56 (35)

88 (46)

  1. *p < 0.05 vs patients with mild IBS-D; p < 0.05 vs patients with moderate IBS-D.
  2. aBased on responses to the question: ‘Which of the following conditions, if any, have you been diagnosed with by a doctor?’
  3. bReported in ≥10% of patients
  4. cBased on responses to the question: ‘Which of the following tests have been carried out since you first experienced symptoms of IBS?’
  5. dReported in ≥20% of patients
  6. IBS irritable bowel syndrome; IBS-D diarrhoea-predominant irritable bowel syndrome; SD standard deviation