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Table 2 Comparison of the demographics, IBS symptoms and subtypes of the FD-IBS clinical overlap group with those of the IBS alone group

From: The clinical overlap between functional dyspepsia and irritable bowel syndrome based on Rome III criteria

  FD-IBS overlap IBS alone P
  (n = 151) (n = 329)  
Demographics    
   Age (years; x ¯ MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGafmiEaGNbaebaaaa@2D66@ ± s.d.) 42.91 ± 14.61 43.63 ± 16.21 0.63
   Female Gender (%) 79(52.3) 194(59.0) 0.17
Severity score of abdominal pain or discomfort 2.95 ± 0.76 2.87 ± 0.81 0.34
Symptoms (%)    
(score, x ¯ MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGafmiEaGNbaebaaaa@2D66@ ± s.d.)    
   <3 bowel movements/week 39(25.8) 79(24.0) 0.67
  (1.52 ± 1.05) (1.46 ± 0.96) 0.53
   >3 bowel movements/day 31(20.5) 71(21.6) 0.79
  (1.33 ± 0.79) (1.48 ± 1.06) 0.08
   Hard or lumpy stools 57(37.7) 109(33.1) 0.32
  (1.92 ± 1.37) (1.75 ± 1.23) 0.19
   Loose or watery stools 55(36.4) 134(40.7) 0.37
  (1.73 ± 1.21) (1.92 ± 1.34) 0.12
   Defecation straining 63(41.7) 121(36.8) 0.30
  (2.04 ± 1.47) (1.91 ± 1.39) 0.36
   Urgency 56(37.1) 136(41.3) 0.38
  (1.87 ± 1.34) (1.98 ± 1.39) 0.39
   A feeling of incomplete bowel movement 80(53.0) 156(47.4) 0.26
  (2.26 ± 1.46) (2.06 ± 1.37) 0.14
   Passing mucus 40(26.5) 84(25.5) 0.82
  (1.40 ± 0.83) (1.46 ± 0.96) 0.52
   Abdominal fullness, bloating or swelling 103(68.2) 212(64.4) 0.42
  (2.66 ± 1.49) (2.54 ± 1.48) 0.42
Overall score of abnormal bowel habit 16.74 ± 6.05 16.58 ± 5.05 0.78
Subtypes (%)    
   IBS-C 43(28.5) 91(27.7) 0.85
   IBS-D 41(27.2) 116(35.3) 0.08
   IBS-M 14(9.3) 18(5.5) 0.12
   IBS-U 53(35.1) 104(31.6) 0.45
  1. FD, functional dyspepsia; IBS, irritable bowel syndrome; IBS-C, IBS with constipation; IBS-D, IBS with diarrhea; IBS-M, mixed IBS; IBS-U, unsubtyped IBS