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Table 1 Gender and age distribution of the participants (N = 1815)

From: ABO and Rhesus blood group distribution and frequency among blood donors at Kilimanjaro Christian Medical Center, Moshi, Tanzania

Characteristic

Frequency (n)

Percentage (%)

Sex

 Female

218

12

 Male

1597

88

Age (years)

 18–29

773

43

 30–39

530

29

 40–65

508

28

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BMC Research Notes

ISSN: 1756-0500

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