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Table 1 Comparison between the groups - evaluation of their symptoms being estimated with visual analogue scale for irritable bowel syndrome (VAS-IBS).

From: Evaluation of gastrointestinal symptoms in different patient groups using the visual analogue scale for irritable bowel syndrome (VAS-IBS)

VAS-IBS score Controls = 52 IBS = 39 Dysmotility = 21 pSS = 26 Statistically significant p values
Abdominal pain      
   Z-score 0.22 (-0.41-0.60) -3.43 (-4.23 - -2.77) -3.34 (-4.42 - -2.31)27 (12-44) *** -1.08 (-2.31 - 0.04) IBS vs pSS p = 0.000
   Absolute score 95 (85-99) 23 (10-37) ***   73 (54-97) *** pSS vs Dysm p = 0.000
Diarrhoea      
   Z-score 0.27 (-0.11-0.55) -3.91 (-5.23 - -0.53) -3.23 (-4.11 - -0.55) -0.75 (-1.97-0.15) IBS vs pSS p = 0.012
   Absolute score 97 (90-100) 35 (19-83) *** 49 (33-69) *** 82 (66-98) *** pSS vs Dysm p = 0.049
Constipation      
   Z-score 0.32 (-0.39-0.76) -0.69 (-2.99-0.54) -1.57 (-3.32-0.60) 0.03 (-2.41-0.63)  
   Absolute score 91 (78-99) 72 (30-95) ** 54 (18-95) * 86 (42-97) *  
Bloating, flatulence      
   Z-score 0.28 (-0.26-0.77) -2.33 (-2.84 - -1.06) -2.15 (-2.67 - -1.28) -0.62 (-1.61-0.31) IBS vs pSS p = 0.000
   Absolute score 86 (71-99) 17 (3-50) *** 18 (7-45) *** 63 (37-87) *** pSS vs Dysm p = 0.002
Vomiting, nausea      
   Z-score 0.27 (0.08-0.35) -3.34 (-4.55 - -0.03) -4.82 (-4.81 - -0.78) 0.08 (-3.14-0.20) IBS vs pSS p = 0.004 IBS vs Dysm p = 0.044
   Absolute score 98 (97-100) 50 (34-94) *** 32 (12-84) *** 97 (54-99) *** pSS vs Dysm p = 0.001
Psychological well-being      
   Z-score 0.51 (-0.09-0.70) -2.08 (-3.29 - -0.56) -1.79 (-1.79-0.46) -0.76 (-2.29-0.62) IBS vs pSS p = 0.018
   Absolute score 96 (84-100) 45 (23-74) *** 51 (22-94) ** 72 (44-98) ***  
Influence on daily life      
   Z-score 0.53 (-0.12-0.59) -3.05 (-3.43 - -2.49) -3.06 (-3.06 - -2.62) 0.20 (-1.75-0.49) IBS vs pSS p = 0.000
   Absolute score 98 (82-100) 11 (3-25) *** 8 (3-22) *** 88 (42-96) *** pSS vs Dysm p = 0.000
  1. All p values are calculated using the z-scores. Mann Whitney U test. Patients vs controls; * < 0.05, ** < 0.01, *** < 0.001. IBS = Irritable bowel syndrome, pSS = primary Sjögren's syndrome.