Haptoglobin Gene Polymorphism among Sickle Cell Patients in West Cameroon: Hematological and Clinical Implications
Table 5
Haptoglobin genotype and allele frequency distribution in the study population.
Groups
SS (n = 102)
AS (n = 55)
AA (n = 60)
value
Hp genotypes
Hp 1-1
32 (31.4%)a
16 (29.1%)a,b
21 (35%)a,b
≤0.001∗
Hp 2-1
15 (14.7%)b
23 (41.8%)a
23 (38.3%)a
Hp 2-2
55 (53.9%)a
16 (29.1%)b
16 (26.7%)b
Hp1S-1S
25 (24.5%)a,b
8 (14.5%)a
9 (15%)a
≤0.001∗
Hp1F-1F
6 (5.9%)a,b,c
6 (10.9%)a
9 (15%)a
Hp1S-1F
1 (1%)a,b,c
2 (3.6%)a
3 (5%)a
Hp2-1S
11 (10.8%)a,c
13 (23.6%)a
13 (21.7%)a
Hp2-1F
4 (3.9%)c
10 (18.2%)a
10 (16.7%)a
Hp2-2
55 (53.9%)a,b
16 (29.1%)a
16 (26.7%)a
Hp allele frequencies
Hp1S
0.304
0.282
0.283
Hp1F
0.084
0.218
0.258
Hp2
0.613
0.5
0.458
a, b, and c: values with different letters in the same line are significantly different at < 0.05; SD: standard deviation; ∗: chi2 test with the Bonferroni adjustment and Fischer test for small size groups.