Blood Group National
%positive              %Negative
In Kathmandu %positive             %Negative
A 28.4                     0.8 30.5                         0.7
B 36.5                     0.9 25.0                          0.8
0 28.9                      0.9 32.0                          0.8
AB 13.2                      0.4 9.9                             0.3
Total 97.0                      3.0 97.4                           2.6
Table 2: Blood Grouping Table [Red Cross Society, Annual Progress Report 2011, 2012]