From: Predictors of positive response to cardiac resynchronization therapy
 | Responders (n = 62) | Non-responders (n = 14) | pvalue |
---|---|---|---|
LVEF (%) | 21.2 ± 6.5 | 17.9 ± 5.4 | 0.09 |
LVEDD (mm) | 66.8 ± 9.8 | 75.3 ± 6.5 | 0.01 |
LVESD (mm) | 60.0 ± 10.0 | 68.4 ± 7.8 | 0.01 |
LVEDV (ml) | 211.0 ± 77.6 | 255.4 ± 50.6 | 0.05 |
LVESV (ml) | 166.4 ± 69.3 | 201 ± 53.5 | 0.09 |
LAV (ml) | 89.1 ± 30.2 | 104.5 ± 17.6 | 0.02 |
QRS duration (ms) | 174.5 ± 16.6 | 175.7 ± 19.6 | 0.89 |
Six minute walk test (m) | 305.6 ± 71.5 | 307.7 ± 57.3 | 0.72 |
Age (yrs.) | 63.2 ± 10.1 | 60.2 ± 11.4 | 0.32 |
Gender (male,%) | 51 (81) | 9 (69.2) | 0.34 |
Paroxysmal AF n (%) | 18 (28.6) | 8 (61.5) | 0.02 |
VT n (%) | 16 (25.4) | 7 (53.9) | 0.04 |
CRT-D n (%) | 25 (39.7) | 8 (61.5) | 0.15 |
Beta blockers n (%) | 61 (96.8) | 12 (92.3) | 0.45 |
ACE-I n (%) | 48 (76.2) | 9 (69.2) | 0.59 |
ARB n (%) | 13 (20.6) | 2 (15.4) | 0.66 |
MRA n (%) | 52 (82.5) | 12 (92.3) | 0.38 |
Diuretics n (%) | 51 (81) | 13 (100) | 0.08 |
Amiodarone n (%) | 16 (25.4) | 5 (38.5) | 0.33 |
Statin n (%) | 33 (52.4) | 6 (46.2) | 0.68 |
Aspirin n (%) | 23 (36.5) | 4 (30.8) | 0.69 |
Warfarin n (%) | 16 (25.4) | 8 (61.5) | 0.01 |
Uric acid (μmol/l) | 397.7 ± 111.5 | 506.3 ± 159.0 | 0.03 |