Table 1.
Demographic data
| All patients (n = 15) | Target group (n = 6) | Non-target group | |
|---|---|---|---|
| Male gender (%) | 10 (67) | 3 (50) | 7 (78) |
| Age (years) | 68 ± 11 | 67 ± 13 | 69 ± 9 |
| Body Mass Index (kg/m2) | 26 ± 5 | 27 ± 6 | 26 ± 4 |
| NYHA functional class (n, %) | |||
| II | 12 (80) | 5 (83) | 7 (78) |
| III | 3 (20) | 1 (17) | 2 (22) |
| Left bundle branch block (n, %)a | 11 (73) | 5 (83) | 6 (67) |
| QRS duration (ms) | 162 ± 23 | 165 ± 26 | 160 ± 22 |
| PR interval (ms) | 188 ± 34 | 164 ± 27† | 203 ± 29† |
| LV ejection fraction (%) | 26 ± 5 | 27 ± 6 | 25 ± 5 |
| LV end diastolic volume (ml) | 209 [165–250] | 175 [142–216] | 222 [184–327] |
| LV end systolic volume (ml) | 149 [123–198] | 128 [96–169] | 162 [135–250] |
| Ischemic cardiomyopathy (n, %) | 7 (47) | 2 (33) | 6 (67) |
| Scar burden (%) | 18 [13–28] | 30 [15–45] | 18 [7–28] |
Values are in mean ± SD, median [interquartile range] and n (%). Significant differences between groups (p < 0.05) are indicated with a†
LV left ventricular, NYHA New York Heart Association
aDefinition according to Strauss criteria