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. 2020 Nov 25;21:777. doi: 10.1186/s12891-020-03813-1

Table 3.

Prevalence of congenital heart defect stratified by different blood type

Blood type Total HHS % P value
A 260 33 12.7 0.94
B 276 37 13.4
O 262 30 11.5
AB 86 10 11.6
Missing 769 90 11.7
Total 1653 200 12.1