ArticleThe Journal of international medical research2016
Clinical, demographic and psychological characteristics of infertile male smokers in Northeast China.
Article in The Journal of international medical research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 1 synthesis or guideline pooled it.
- Tobacco smoking and semen quality in infertile males: a systematic review and meta-analysis.BMC public health · 2019Pooled it
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesTo investigate clinical, demographic and psychological characteristics of infertile male smokers in northeast China.
methodsSerum and semen samples were collected from infertile men. Semen analysis was performed according to conventional procedures. Serum follicle-stimulating hormone, luteinizing hormone and testosterone levels were quantified. Psychological anxiety and depression were evaluated by the self-rating anxiety scale (SAS) and self-rating depression scale (SDS), respectively.
resultsBoth SDS and SAS scores were significantly higher in smokers (n = 704) than in nonsmokers (n = 372); in addition, sperm viability and motility were significantly lower in smokers than in nonsmokers. Spearman's correlation coefficient analysis revealed significant positive correlations between duration of smoking and SDS and SAS scores, and between cigarettes smoked per day and SDS and SAS scores.
conclusionsCigarette smoking has a negative effect on sperm viability and motility, and is associated with increased SDS and SAS scores.
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