Why the study?
Does bleeding time differ between men and women in normal volunteers?
Does bleeding time differ between men and women in normal volunteers?
Bleeding time is significantly longer in women than in men, likely due to differences in blood vessels or supporting tissues rather than platelet count or aggregability.
Sex differences in bleeding time should not yet alter clinical interpretation; leaves open validation in prospective risk studies.
The bleeding time by a modified Ivy technique was estimated on 128 normal volunteers, 59 men and 69 women. The bleeding time was found to be significantly longer in women than men (p < .001). This was not attributable to a difference in platelet count nor to any detectable difference in platelet aggregability. It is likely that a difference in blood vessels or supporting tissues is responsible for the observed difference.
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Bain et al. (1980) studied this question.
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