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Table 2 Menstrual cycle disorders prevalence (OR and 95% CI).

From: Reproductive life disorders in Italian celiac women. A case-control study

  Cases Controls OR (95% CI) χ2 p
Menstrual cycle disorders % %    
   No 20 32.3 66 35.5 1.2 (0.6-2.3) 0.09 0.6456
   Yes 42 67.7 120 64.5    
   Total 62 - 186 -    
Amenorrhea        
   No 50 80.6 182 97.8 33 (7.2-151.8) * 0.0000
   Yes 12 19.4 4 2.2    
   Total 62 - 186 -    
Oligomenorrhea        
   No 48 77.4 164 88.2 2.7 (1.1-6.4) 3.37 0.0412
   Yes 14 22.6 22 11.8    
   Total 62 - 186 -    
Hypomenorrhea        
   No 48 77.4 176 94.6 9.8 (3.3-29.4) 13.23 0.0001
   Yes 14 22.6 10 5.4    
   Total 62 - 186 -    
Polymenorrhea        
   No 57 91.9 179 96.2 3.28 (0.7-14.7) 1.12 0.01573
   Yes 5 8.1 7 3.8    
   Total 62 - 186 -    
Dysmenorrhea        
   No 32 51.6 126 67.7 2.3 (1.2-4.4) 4.61 0.0214
   Yes 30 48.4 60 32.3    
   Total 62 - 186 -    
Metrorrhagia        
   No 56 90.3 182 97.8 9.75 (1.9-50.6) 4.80 0.0106
   Yes 6 9.7 4 2.2    
   Total 62 - 186 -    
Menometrorrhagia        
   No 54 87.1 148 79.6 0.52 (0.2-1.3) 2.28 0.1859
   Yes 8 12.9 38 20.4    
   Total 62 - 186 -    
Pre-menstrual syndrome        
   No 32 51.6 97 52.2 1.02 (0.5-1.9) 0.0058 0.9394
   Yes 30 48.4 89 47.8    
   Total 62 - 186 -    
  1. *Fischer's exact test used to assess p; 95% CI poorly accurate.