Haplotypes | Non-SMA (Hb ≥ 6.0 g/dL) n (%) | SMA (Hb < 6.0 g/dL) n (%) | P value | |
---|---|---|---|---|
-7402G/-4729G | 1 | 28 (12.6) | 25 (15.2) | 0.472a |
0 | 194 (87.4) | 140 (84.8) | ||
-7402 T/-4729A | 1 | 94 (42.3) | 87 (52.7) | 0.043 a |
0 | 128 (57.7) | 78 (47.3) | ||
-7402 T/-4729G | 1 | 183 (82.4) | 128 (77.6) | 0.234a |
0 | 39 (17.6) | 37 (22.4) |