Research Article

Multilocus Family-Based Association Analysis of Seven Candidate Polymorphisms with Essential Hypertension in an African-Derived Semi-Isolated Brazilian Population

Table 5

Genotype frequencies for the seven studied polymorphisms in normotensive and hypertensive quilombo subjects.

Gene/StatusGenotype, n (%)P HWEFP MAX3

ACE (I/D)I/II/DD/D
 Hypertensive39 (21.91)92 (51.69)47 (26.40)0.4740.5180.227
 Normotensive54 (26.21)92 (44.66)60 (29.13)
NOS3 (Glu298Asp)Glu/GluGlu/AspAsp/Asp
 Hypertensive127 (71.35)47 (26.40)4 (2.25)0.8420.1500.922
 Normotensive151 (73.30)50 (24.27)5 (2.43)
GNB3 (C825T)C/CC/TT/T
 Hypertensive42 (23.60)74 (41.57) 62 (34.83)0.9990.5920.054
 Normotensive22 (10.68)111 (53.88)73 (35.44)
GNB3 (G-350A)G/GA/GA/A
 Hypertensive93 (52.25)60 (33.71)25 (14.04)0.0280.2970.595
 Normotensive106 (51.46)82 (39.81)18 (8.74)
AGT (M235T)Thr/ThrThr/MetMet/Met
 Hypertensive91 (51.12)73 (41.01)14 (7.87)0.4250.2590.482
 Normotensive123 (59.71)68 (33.01)15 (7.28)
ADD2 (A/C)A/AA/CC/C
 Hypertensive27 (15.17)94 (45.63)83 (46.63)0.2560.6610.565
 Normotensive22 (10.68)68 (38.20)90 (43.69)
GRK4 (A486V)Ala/AlaAla/ValVal/Val
 Hypertensive98 (55.06)72 (40.45)8 (4.49)0.8930.2530.586
 Normotensive117 (56.80)72 (34.95)17 (8.25)

HWE: Hardy-Weinberg equilibrium; F: frequency of the risk allele; MAX3: max-statistic; MAX3-based results are adjusted for age, gender, and BMI.