Table 1.
Allele frequencies
| Whitea | Asian | Black | Mixed | Total | |
|---|---|---|---|---|---|
| Patients, n |
1,634 |
156 |
21 |
439 |
2,250 |
| No. of alleles determined Alleles determined, % |
3,216 |
310 |
38 |
820 |
4,384 |
| 9a |
0.1 |
– |
– |
0.1 |
0.1 |
| 10a |
3.6 |
13.2 |
21.1 |
3.5 |
4.4 |
| 11a |
35.6 |
2.3 |
13.2 |
19.5 |
30.0 |
| 12a |
23.5 |
31.3 |
7.9 |
28.9 |
24.9 |
| 12b |
<0.1 |
– |
– |
– |
<0.1 |
| 12d |
– |
– |
– |
0.1 |
<0.1 |
| 12e |
– |
0.3 |
– |
– |
<0.1 |
| 13a |
0.9 |
1.0 |
2.6 |
0.6 |
0.8 |
| 13b |
30.0 |
40.6 |
39.5 |
37.3 |
32.2 |
| 13c |
<0.1 |
– |
5.3 |
1.1 |
0.3 |
| 14b |
6.0 |
10.6 |
10.5 |
8.5 |
6.8 |
| 15b |
0.1 |
0.6 |
– |
0.2 |
0.1 |
| 16b |
0.2 |
– |
– |
– |
0.1 |
| No. of alleles undetermined | 52 | 2 | 4 | 58 | 116 |
aWhites of European descent.
Allele frequency calculated from the number of alleles determined. Where the allele was not observed at all, ‘-’ was used.