Table 1.

Rh phenotypes among 33 829 blood donors in Terengganu, Malaysia

EthnicityD-positive (n)Serologic D-negative (n) by Rh phenotype Total
cceeCceeCCeeCcEeccEeSubtotaln%
Malay 31 969 105 42 156 32 125 95 
Chinese 1011 1018 
Indian 287 14 15 302 
Others  383 384 
Total 33 650 122 47 179 33 829 100 
EthnicityD-positive (n)Serologic D-negative (n) by Rh phenotype Total
cceeCceeCCeeCcEeccEeSubtotaln%
Malay 31 969 105 42 156 32 125 95 
Chinese 1011 1018 
Indian 287 14 15 302 
Others  383 384 
Total 33 650 122 47 179 33 829 100 

The data were collected from clinical records between January 2020 and July 2024.

The prevalence of D-negative donors was 0.49% in Malay (95% CI, 0.41-0.57, Poisson distribution), 0.69% in Chinese (95% CI, 0.32-1.35), and 4.97% in Indian (95% CI, 2.68-7.87).

Includes ethnicities such as Iban, Kadazan, and Arab of minor population sizes in Malaysia.

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