Table 3

Cycle efficiency (%) by pacing site compared according to cycling efficiency at baseline (group 1, ≤72%; group 2, >72%)

GroupnBaselineRV pacingLV pacingBiventricular pacing
Data are mean (SD). *p < 0.05 v baseline; †p < 0.05 v RV.
All1870 (16)77 (9)*66 (17)†71 (17)†
11263 (10)76 (11)*65 (20)†67 (20)
2 683 (7)80 (4)67 (12)*79 (5)
1, excluding patients with premature activation1062 (11)78 (8)*72 (15)*73 (14)*