Table 2.
Adrenergic receptor polymorphism genotype frequencies in African American and Caucasian subjects.
| SNPs | Genotype | Frequency (%) | Pearson Chi-Square | P-value | |
|---|---|---|---|---|---|
| African American | Caucasian | ||||
| ADRB1 Codon 49 | A/A | 44 (59.5) | 120(75.0) | 7.440 | 0.02 |
| G/A | 25 (33.8) | 37(23.1) | |||
| G/G | 5 (6.8) | 3 (1.9) | |||
| ADRB1 Codon 389 | C/C | 30 (40.5) | 85 (53.1) | 3.614 | 0.16 |
| C/G | 35 (47.3) | 63 (39.4) | |||
| G/G | 9 (12.2) | 12(7.5) | |||
| ADRB2 5′ LC-19 | CC | 4 (5.4) | 31(19.4) | 15.91 | <0.0001 |
| TC | 22 (29.7) | 67(41.9) | |||
| TT | 48 (64.9) | 62(38.8) | |||
| ADRB2 Codon 16 | CC | 12 (16.2) | 33(20.6) | 4.808 | 0.09 |
| GC | 39 (52.7) | 60(37.5) | |||
| GG | 23 (31.1) | 67(41.9) | |||
| ADRB2 Codon 27 | CC | 48 (64.9) | 62(38.8) | 15.905 | <0.0001 |
| GC | 22 (29.7) | 67(41.9) | |||
| GG | 4 (5.4) | 31(19.4) | |||
| ADRB3 | CC | 3 (4.2) | 2 (1.3) | 3.454 | 0.18 |
| TC | 15 (20.8) | 23(14.7) | |||
| TT | 54 (75) | 131(84.0) | |||
| Alpha 2A C-1291G | CC | 10 (13.7) | 85(53.5) | 39.827 | <0.0001 |
| CG | 37 (50.7) | 58(36.5) | |||
| GG | 26 (35.6) | 16(10.1) | |||
| Alpha 2A A2659G | AA | 4 (5.5) | 8(5.0) | 5.470 | 0.07 |
| AG | 29 (39.7) | 40(25.0) | |||
| GG | 40 (54.8) | 112(70.0) | |||