Table 2.
Study population characteristics (n = 39).
|
n (%) or mean ± SD |
|
|---|---|
| NYHA class | |
| 1 | 2 (5) |
| 2 | 15 (39) |
| 3 | 22 (57) |
| Gender | |
| Male | 23 (59) |
| Female | 16 (41) |
| Ethnicity | |
| Caucasian | 30 (77) |
| African American | 9 (23) |
| Age (y) | 61 ± 10 |
| LVEF (mean %) | 26 ± 8 |
| Patients with scar ≥ 3% of the LV volume in at least 1 segment | 17 (44) |
| Total number of scarred segments (scar ≥ 3% of LV volume) | 41 |
| Septal scar | 10 (24) |
| Inferior scar | 8 (20) |
| Lateral scar | 5 (12) |
| Anterior scar | 9 (22) |
| Apical scar | 9 (22) |
| Patients with any non-septal scar | 16 (41) |
| Etiology | |
| Ischemic | 11 (28) |
| With scar ≥ 3% of LV | 11 (28) |
| Non-ischemic | 28 (72) |
| With scar ≥ 3% of LV | 6 (15) |
| Number of scarred segments | |
| 1 | 4 (10) |
| 2 | 3 (7) |
| 3 | 9 (21) |
| 4 | 1 (2) |
| 5 | 0 (0) |
| Median (range) | |
| QRS duration (ms) | |
| Entire cohort | 162 (134–196) |
| Male | 168 (140–196) |
| Female | 153 (134–176) |
| Ischemic | 164 (134–196) |
| Non-ischemic | 156 (136–192) |
| Scarred | 162 (134–196) |
| Non-scarred | 158 (136–180) |
NYHA, New York Heart Association; LVEF, center ventricular ejection fraction; LV, center ventricle.