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Table 5 DFI and SDI response according to the occurrence of a clinical pregnancy, mean values (standard deviation)

From: The importance of the one carbon cycle nutritional support in human male fertility: a preliminary clinical report

Groups n (%) DFI SDI
Pre Post % change p Pre Post % change p
Any pregnancy          
YES 40 (47.6) 29.4% 20.1% −9.3% (13.61) 0.168 40.6% 29.3% −11.3% (12.81) 0.000
NO 44 (52.4) 30.1% 25.9% −4.2% (14.38)   39.6% 42.6% 3.0% (11.10)  
Spontaneous pregnancy          
YES 18 (21.5) 23.2% 18.4% −4.8% (9.38) 0.571 44.8% 29.8% −15.0% (11.11) 0.000
NO 66 (78.5) 31.5% 24.4% −7.2% (15.23)   38.8% 38.0% −0.7% (13.00)  
ART pregnancy          
YES 22 (33) 34.4% 21.4% −13.0% (15.52) 0.046 37.2% 29.0% −8.2% (13.54) 0.001
NO 44 (67) 30.1% 25.9% −4.2% (14.38)   39.6% 42.6% 3.0% (11.10)  
  1. Mann–Whitney test. Statistically significant differences in bold.