Table 2.

Characteristics and frequencies of common MNSs antigens and phenotypes in Thai blood donors.

Phenotype/Antigen	Number	Frequency
M + N– S + s–	0	0.000
M + N– S + s+	5	0.033
M + N– S– s+	38	0.253
M + N– S– s–	0	0.000
M + N + S + s–	1	0.007
M + N + S + s+	14	0.093
M + N + S– s+	78	0.520
M + N + S– s–	0	0.000
M– N + S + s–	0	0.000
M– N + S + s+	0	0.000
M– N + S– s+	14	0.093
M– N + S– s–	0	0.000
Total	150	1.000
M+	136	0.907
N+	107	0.713
S+	20	0.133
s+	149	0.993