Postejection long axis amplitude (mm) by pacing site compared according to cycling efficiency at baseline (group 1, ≤ 72%; group 2, > 72%)
| Group | n | Baseline | RV pacing | LV pacing | Biventricular pacing |
|---|---|---|---|---|---|
| Data are mean (SD). | |||||
| *p < 0.05 v baseline; †p < 0.05 v LV. | |||||
| All | 18 | 9.0 (3.0) | 9.4 (3.0)† | 7.6 (2.0)* | 8.8 (3.0) |
| 1 | 12 | 9.3 (3.3) | 9.8 (3.6) | 8.0 (2.4) | 9.4 (3.0)† |
| 2 | 6 | 8.4 (0.5) | 8.6 (0.9)† | 6.8 (1.0)* | 7.4 (2.7) |