TABLE 1.
Patient characteristics by PET scan result
| Overall (n=103) | PET positive (n=50) | PET negative (n=53) |
p value | ||
|---|---|---|---|---|---|
| Age | 53±13 | 52±12 | 54±14 | 0.31 | |
| Ethnicity | |||||
| Caucasian | 88 (85% | 40 (80%) | 48 (90%) | ||
| African-American | 7 (7%) | 4 (8%) | 3 (6%) | ||
| Asian | 8 (8%) | 6 (12%) | 2 (4%) | ||
| Male | 77 (75%) | 36 (72%) | 41 (77%) | 0.47 | |
| HTN | 39 (38%) | 15 (30%) | 24 (45%) | 0.19 | |
| DM | 11 (11%) | 4 (8%) | 7 (13%) | 0.29 | |
| Pulmonary disease | 5 (5%) | 2 (4%) | 3 (6%) | 0.62 | |
| Ejection Fraction | 37±15 | 36±16 | 37±15 | 0.96 | |
| NYHA class (n=75) | |||||
| I | 40 (39%) | 19 (38%) | 21 (40%) | 0.78 | |
| II | 21 (20%) | 9 (18%) | 12 (23%) | ||
| III | 12 (12%) | 6 (12%) | 6 (11%) | ||
| IV | 2 (2%) | 1 (2%) | 1 (2%) | ||
| Duration of cardiomyopathy (yrs) | 6.1±5.9 | 6.5±6.1 | 5.8±5.1 | 0.58 | |
| Ventricular arrhythmia | |||||
| PVC | 14 (14%) | 8 (16%) | 6 (11%) | 0.56 | |
| Monomorphic VT | 66 (64%) | 30 (60%) | 36 (68%) | 0.38 | |
| Polymorphic/VF | 23 (22%) | 12 (24%) | 11 (21%) | 0.77 | |
| Sick sinus syndrome | 4 (4%) | 2 (4%) | 2 (4%) | 0.98 | |
| AV block | 19 (18%) | 16 (32%) | 3 (6%) | 0.002 | |
| Fascicular block | 11 (11%) | 7 (14%) | 4 (8%) | 0.15 | |
| LBBB | 7 (7%) | 3 (6%) | 4 (8%) | 0.64 | |
| RBBB | 10 (10%) | 5 (10%) | 5 (9%) | 0.81 | |
| Pacemaker | 19 (18%) | 16 (32%) | 3 (6%) | 0.002 | |
| ICD | 52 (50%) | 28 (56%) | 24 (45%) | 0.43 | |
| CRT | 25 (24%) | 17 (34%) | 8 (15%) | 0.12 | |
| Beta-blocker | 90 (87%) | 46 (92%) | 44 (83%) | 0.37 | |
| Amiodarone | 45 (44%) | 22 (44%) | 23 (43%) | 0.88 | |
| ACE level | 38.8±19.5 | 51.1±29.3 | 18.4±10.1 | 0.01 | |