| Appropriate therapy (n = 198) | Without appropriate therapy (n = 415) | P-value |
Mean age (years) | 66.84 ± 9.6 | 67.6 ± 10.3 | 0.369 |
Male (%) | 168 (84.8) | 328 (79.0) | 0.087 |
Hypertension (%) | 125 (63.1) | 279 (67.2) | 0.317 |
Diabetes (%) | 43 (21.7) | 120 (28.9) | 0.059 |
Pulmonary disease (%) | 49 (24.7) | 89 (21.4) | 0.360 |
Kidney disease (%) | 35 (17.7) | 98 (23.6) | 0.095 |
K (mEq/L) | 4.1 ± 0.4 | 4.1 ± 0.4 | 0.775 |
Na (mEq/L) | 137.8 ± 3.7 | 138.9 ± 3.5 | 0.001 |
Anemia (%) | 32 (16.2) | 90 (21.7) | 0.109 |
Vasculopathy (%) | 52 (26.3) | 83 (20.0) | 0.080 |
Ischemic aetiology (%) | 113 (57.1) | 247 (59.5) | 0.565 |
Previously AMI (%) | 98 (49.5) | 215 (51.8) | 0.592 |
Previous coronary bypass surgery (%) | 65 (32.8) | 116 (28.0) | 0.216 |
Atrial fibrillation (%) | 107 (54.0) | 164 (39.5) | 0.001 |
NYHA III-IV (%) | 79 (39.9) | 180 (43.4) | 0.415 |
QRS > 120 msec (%) | 106 (53.5) | 213 (51.3) | 0.609 |
Left bundle-branch block (%) | 97 (49.0) | 195 (47.0) | 0.643 |
CRT-D (%) | 93 (47.0) | 207 (49.9) | 0.500 |
Mean LVEF (%) | 25.0 ± 6.5 | 26.5 ± 9.1 | 0.035 |
LV end diastolic volume (ml) | 195.1 ± 59.0 | 186.6 ± 59.3 | 0.096 |
LV end systolic volume (ml) | 147.4 ± 50.2 | 138.8 ± 51.7 | 0.051 |
LV end diastolic diameter (mm) | 67.6 ± 9.1 | 66.8 ± 8.1 | 0.240 |
LV end systolic diameter (mm) | 56.1 ± 9.5 | 54.1 ± 9.0 | 0.015 |
LA diameter (mm) | 48.7 ± 8.0 | 46.9 ± 7.5 | 0.007 |
Beta-blocker therapy (%) | 155 (78.3) | 334 (80.5) | 0.526 |
Amiodarone (%) | 57 (28.8) | 111 (26.7) | 0.596 |