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Table 1 Comparison of the demographics, FD symptoms and subtypes in the FD-IBS clinical overlap group with those of the FD alone group

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

  FD-IBS overlap FD alone P
  (n = 151) (n = 457)  
Demographics    
   Age (years; x ¯ MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGafmiEaGNbaebaaaa@2D66@ ± s.d.) 42.91 ± 14.61 42.37 ± 14.84 0.70
   Female Gender (%) 79(52.3) 264(57.8) 0.24
Symptoms (%)    
(score, x ¯ MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGafmiEaGNbaebaaaa@2D66@ ± s.d.)    
   Early satiation 58(38.4) 152(33.3) 0.25
  (1.13 ± 1.52) (0.95 ± 1.45) 0.21
   Postprandial fullness 115(76.2) 266(58.2) <0.001**
  (2.35 ± 1.49) (1.72 ± 1.59) <0.001**
   Epigastric pain 113(74.8) 342(74.8) 1.00
  (2.24 ± 1.50) (2.42 ± 1.58) 0.22
   Epigastric burning 49(32.5) 118(25.8) 0.11
  (0.93 ± 1.43) (0.73 ± 1.33) 0.14
Overall symptom score 6.65 ± 2.88 5.82 ± 2.76 0.002*
Subtypes(%)    
   PDS alone 59(39.1) 164(35.9) 0.48
   EPS alone 41(27.2) 183(40.0) 0.004*
   PDS+EPS 51(33.8) 110(24.1) 0.02*
  1. FD, functional dyspepsia; IBS, irritable bowel syndrome; PDS, postprandial distress syndrome; EPS, epigastric pain syndrome; PDS+EPS, coexistence of PDS and EPS;
  2. *P < 0.05,**P < 0.001