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