Table 1.
Characteristics of patients using meth vs. patients not using meth.
Characteristic | Patients using meth (N = 10) | Patients not using meth (N = 10) | P Value |
---|---|---|---|
Age at DFT, yr. | 44.2 ± 8.4 | 44.2 ± 9.3 | Matched |
Male Gender, n(%) | 7 (70%) | 6 (60%) | NS |
Defibrillation Threshold, J | 23.7 ± 6.7 | 14.7 ± 4.6 | <0.005 |
PR Interval, ms | 189 ± 39 | 154 ± 38 | 0.06 |
QRS Interval, ms | 122 ± 31 | 109 ± 31 | 0.37 |
QTc Interval, ms | 470 ± 41 | 446 ± 36 | 0.26 |
Ventricular rate | 93 ± 28 | 82 ± 14 | 0.3 |
Ejection Fraction, % | 17.8 ± 9.4 | 35.9 ± 15.2 | 0.02 |
BNP | 1173 ± 784 | 260 ± 349 | 0.02 |
- Log (BNP) | 2.88 ± 0.49 | 2.00 ± 0.72 | 0.02 |
Body Surface Area, m2 | 1.82 ± 0.14 | 1.98 ± 0.38 | 0.18 |
Biventricular ICD, n(%) | 4 (40%) | 2 (20%) | 0.62 |
Amiodarone, n(%) | 0 (0%) | 1 (10%) | NS |
Class I AA, n(%) | 0 (0%) | 0 (0%) | NS |
ACEi or ARB, n(%) | 8 (80%) | 9 (90%) | NS |
Beta-blockers, n(%) | 7 (70%) | 8 (80%) | NS |