Number of blood donor deferrals in the U.S. in 2019, by reason and gender

In 2019, there were an estimated 844,000 blood donor deferrals among males in the United States. The most common reason for donor deferral among both males and females was low hemoglobin/hematocrit. This graph shows the estimated number of blood donor deferrals in the United States in 2019, by reason and gender.

2019年，美国男性献血者中估计有84.4万人被推迟献血。在男性和女性献血者中，推迟献血最常见的原因是血红蛋白或红细胞比积偏低。此图展示了2019年美国因原因和性别划分的献血者推迟献血的估计数量。