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. 2023 Apr 24;9(5):e15723. doi: 10.1016/j.heliyon.2023.e15723

Fig. 4.

Fig. 4

Non-observed associations between alcohol consumption and sperm concentration, motility, normal and abnormal morphology. a. Forest plot for the effect of alcohol consumption and sperm density, assessment of publication bias using the Egger publication bias plot; b. Forest plot for the effect of alcohol consumption and sperm motility and assessment of publication bias using the Egger publication bias plot; c. Forest plot for the effect of alcohol consumption and normal morphology and assessment of publication bias using the Egger publication bias plot; d. Forest plot for the effect of alcohol consumption and abnormal morphology and assessment of publication bias using Egger publication bias plot.