Demographics and exercise parameters in patients stratified by β-1 AR genotype
| GG 389 (n = 7) | RG 389 (n = 37) | RR 389 (n = 39) | SS 49 (n = 63) | SG/GG49 (n = 20) | |
|---|---|---|---|---|---|
| *p<0.001 v RR homozygotes and p<0.05 v heterozygotes; †p<0.05 v RR homozygotes; ‡p<0.05 v RR homozygotes. | |||||
| Age | 54.1 (3.1) | 50.5 (9.5) | 50.6 (7.0) | 51.0 (8.2) | 50.3 (7.3) |
| % Female | 14.3 | 18.9 | 20.5 | 17.4 | 15.0 |
| LVEF | 16.1 (3) | 19.2 (1.1) | 21.2 (1.7) | 18.8 (1.1) | 19.7(2) |
| Peak Vo2 | 11.1 (1.0)* | 13.9 (0.7)† | 16.5 (1.1) | 14.8 (0.7) | 15.1 (1.2) |
| Peak heart rate | 129 (11) | 124 (5) | 125 (4) | 125 (3) | 123 (6) |
| Exercise time | 5.3 (0.8)‡ | 6.3 (0.4) | 7.2 (0.4) | 6.4 (0.4) | 6.8 (0.6) |