Research Article
Fatty Acid Profile and Metabolism Are Related to Human Sperm Parameters and Are Relevant in Idiopathic Infertility and Varicocele
Table 2
Medians and interquartile ranges of evaluated seminal parameters normalized to sperm fatty acid (FA) content or sperm count.
| Normalized seminal parameters | Fertility () Group 1 | Idiopathic infertility () Group 2 | Infertile Varicocele () Group 3 | Kruskal-Wallis value | Pairwise comparisons | Group 1 vs. group 2 | Group 1 vs. group 3 | Group 2 vs. group 3 |
| EPA/ARA ratio | 0.05 (0.15) | 0.30 (0.68) | 0.10 (0.30) | 0.11 | | | | SFA/MUFA ratio | 5.55 (6.95) | 3.25 (3.15) | 4.80 (3.08) | 0.39 | | | | n-6/n-3 PUFA ratio | 0.45 (0.23) | 0.85 (0.48) | 0.75 (0.73) | | | | | F2-IsoP/ARA ratio | 2.97 (4.36) | 10.84 (21.38) | 27.07 (21.41) | | | | | F2-IsoP/sperm/ml ratio | 0.06 (0.10) | 1.01 (3.31) | 1.05 (2.47) | | | | | N/ARA ratio | 7.82 (6.97) | 13.90 (8.10) | 12.16 (14.71) | | | | | A/ARA ratio | 1.66 (1.50) | 3.18 (7.01) | 2.53 (2.56) | 0.13 | | | | N/n-6 PUFA ratio | 1.87 (2.44) | 3.94 (1.60) | 2.27 (1.45) | | ns | ns | ns | A/n-6 PUFA ratio | 0.40 (0.39) | 0.77 (0.69) | 0.37 (0.35) | | | | | I/n-6 PUFA ratio | 3.85 (2.90) | 5.17 (3.44) | 4.07 (2.51) | 0.82 | | | | N/n-3 PUFA ratio | 0.86 (0.88) | 2.83 (1.64) | 1.58 (2.01) | | | | | A/n-3 PUFA ratio | 0.20 (0.17) | 0.55 (0.29) | 0.32 (0.23) | | | | | I/n-3 PUFA ratio | 1.71 (0.99) | 3.06 (4.40) | 3.72 (0.80) | | | | |
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EPA: eicosapentaenoic; ARA: arachidonic acid; SFAs: saturated fatty acids; MUFAs: monounsaturated fatty acids; PUFAs: polyunsaturated fatty acids; F 2-IsoPs: F 2-isoprostanes; N: sperm necrosis; A: sperm apoptosis; I: sperm immaturity. Statistics are reported ( , , and ). |