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Table 2 Responder rates and their DFI and SDI values before and after the treatment, 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 Pre Post % change
All patients 84 (100) 29.7% 23.1% −6.6 % (14,16)* 40.1% 36.3% −3.8 % (13.87)*
DFI responders 60 (71%) 33.0% 20.0% −13.0% (10.66) 38.5% 34.6% −3.9% (13.64)
SDI responders 54 (64%) 28.5% 21.4% −7.0% (14.17) 42.0% 30.2% −11.8% (8.88)
DFI and SDI responders 40 (48%) 31.8% 18.8% −13.1% (10.74) 40.2% 28.9% −11.4% (8.40)
  1. *p < 0.001, Wilcoxon test. Statistically significant differences in bold.