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Table 4 Evolution of epidemiological characteristics of fertile men candidate for semen donation over time

From: Decline of semen quality over the last 30 years in Uruguay

  1988–2000 2001–2010 2011–2019
N 64 56 197
Age (years) 24.4 ± 4.9 23.4 ± 3.4 24.9 ± 4.2
BMI (%) 24.2 ± 2.8 23.5 ± 2.2 23.6 ± 2.6
Smokers (%) 31.1 a 48.0 b 11.3 ab
Alcohol consumers (%) 18.2 ab 56.0a 48.6b
Drugs (%) ND ND 24
  1. Values with the same superscript are significantly different (p-value < 0.05). Numbers are expressed as mean ± SD Standard deviation or percentage of the total number that answered the questionnaire. Statistical analyses of age and BMI were calculated with the Kruskal-Wallis test and ONE way-ANOVA test respectively. Differences of men who smoke and consume alcohol in each group were compared with chi-squared test
  2. N Number of individuals, ND No data
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Basic and Clinical Andrology

ISSN: 2051-4190