Table 1

Baseline characteristics.a

Normal ECG (n = 416)Abnormal ECG (n = 1320)P
Spironolactone arm208, 50.0%664, 50.3%.959
Age (years)69.48 ± 9.6172.20 ± 9.60<.001
Male164, 39.4%701, 53.1%<.001
White race326, 78.4%1033, 78.3%.999
Medical history
Previous HF hospitalization246, 59.1%781, 59.2%.999
Coronary heart disease178, 42.8%621, 47.0%.144
Myocardial infarction68, 16.3%285, 21.6%.025
Stroke35, 8.4%123, 9.3%.644
COPDb65, 15.6%221, 16.7%.646
Hypertension375, 90.1%1189, 90.1%.999
AF75, 18.0%659, 49.9%<.001
Diabetes mellitus211, 50.7%569, 43.1%.008
Physical examination
Heart rate (bpm)69.21 ± 11.1469.02 ± 11.31.762
Systolic BPc (mm Hg)129.89 ± 15.62126.69 ± 15.64<.001
Diastolic BP (mm Hg)72.09 ± 11.4571.13 ± 11.45.137
Body mass index (kg/m2)34.70 ± 8.3133.55 ± 8.04.012
Dyspnea on exertion407, 97.8%1300, 98.5%.496
Dyspnea at rest65, 16.0%188, 14.5%.523
Orthopnea128, 31.1%411, 31.5%.904
Rales59, 14.4%227, 17.6%.158
Edema307, 73.8%935, 70.9%.278
NYHA class III or IV116, 27.9%497, 37.7%<.001
Current smoker31, 7.5%81, 6.1%.404
Medication
Beta-blockers305, 73.3%1062, 80.5%.002
Diuretics355, 85.3%1194, 90.5%.004
ACEIsd/ARBse331, 79.6%1041, 78.9%.812
Ancillary examination
LVEF (%)59.59 ± 7.8957.74 ± 7.67<.001
eGFRf (mL/min/1.73m2)66.06 ± 21.2463.95 ± 21.54.081
Serum sodium (mmol/L)139.55 ± 3.32139.74 ± 3.05.290
Serum potassium (mmol/L)4.22 ± 0.424.17 ± 0.44.044
Hemoglobin (g/dL)12.74 ± 1.5512.89 ± 1.71.088
Normal ECG (n = 416)Abnormal ECG (n = 1320)P
Spironolactone arm208, 50.0%664, 50.3%.959
Age (years)69.48 ± 9.6172.20 ± 9.60<.001
Male164, 39.4%701, 53.1%<.001
White race326, 78.4%1033, 78.3%.999
Medical history
Previous HF hospitalization246, 59.1%781, 59.2%.999
Coronary heart disease178, 42.8%621, 47.0%.144
Myocardial infarction68, 16.3%285, 21.6%.025
Stroke35, 8.4%123, 9.3%.644
COPDb65, 15.6%221, 16.7%.646
Hypertension375, 90.1%1189, 90.1%.999
AF75, 18.0%659, 49.9%<.001
Diabetes mellitus211, 50.7%569, 43.1%.008
Physical examination
Heart rate (bpm)69.21 ± 11.1469.02 ± 11.31.762
Systolic BPc (mm Hg)129.89 ± 15.62126.69 ± 15.64<.001
Diastolic BP (mm Hg)72.09 ± 11.4571.13 ± 11.45.137
Body mass index (kg/m2)34.70 ± 8.3133.55 ± 8.04.012
Dyspnea on exertion407, 97.8%1300, 98.5%.496
Dyspnea at rest65, 16.0%188, 14.5%.523
Orthopnea128, 31.1%411, 31.5%.904
Rales59, 14.4%227, 17.6%.158
Edema307, 73.8%935, 70.9%.278
NYHA class III or IV116, 27.9%497, 37.7%<.001
Current smoker31, 7.5%81, 6.1%.404
Medication
Beta-blockers305, 73.3%1062, 80.5%.002
Diuretics355, 85.3%1194, 90.5%.004
ACEIsd/ARBse331, 79.6%1041, 78.9%.812
Ancillary examination
LVEF (%)59.59 ± 7.8957.74 ± 7.67<.001
eGFRf (mL/min/1.73m2)66.06 ± 21.2463.95 ± 21.54.081
Serum sodium (mmol/L)139.55 ± 3.32139.74 ± 3.05.290
Serum potassium (mmol/L)4.22 ± 0.424.17 ± 0.44.044
Hemoglobin (g/dL)12.74 ± 1.5512.89 ± 1.71.088

aValues are represented as n, %, or mean ± SD, as appropriate.

bCOPD: chronic obstructive pulmonary disease. cBP: blood pressure. dACEI: angiotensin converting enzyme inhibitor. eARB: angiotensin receptor blocker. feGFR: estimated glomerular filtration rate.

Table 1

Baseline characteristics.a

Normal ECG (n = 416)Abnormal ECG (n = 1320)P
Spironolactone arm208, 50.0%664, 50.3%.959
Age (years)69.48 ± 9.6172.20 ± 9.60<.001
Male164, 39.4%701, 53.1%<.001
White race326, 78.4%1033, 78.3%.999
Medical history
Previous HF hospitalization246, 59.1%781, 59.2%.999
Coronary heart disease178, 42.8%621, 47.0%.144
Myocardial infarction68, 16.3%285, 21.6%.025
Stroke35, 8.4%123, 9.3%.644
COPDb65, 15.6%221, 16.7%.646
Hypertension375, 90.1%1189, 90.1%.999
AF75, 18.0%659, 49.9%<.001
Diabetes mellitus211, 50.7%569, 43.1%.008
Physical examination
Heart rate (bpm)69.21 ± 11.1469.02 ± 11.31.762
Systolic BPc (mm Hg)129.89 ± 15.62126.69 ± 15.64<.001
Diastolic BP (mm Hg)72.09 ± 11.4571.13 ± 11.45.137
Body mass index (kg/m2)34.70 ± 8.3133.55 ± 8.04.012
Dyspnea on exertion407, 97.8%1300, 98.5%.496
Dyspnea at rest65, 16.0%188, 14.5%.523
Orthopnea128, 31.1%411, 31.5%.904
Rales59, 14.4%227, 17.6%.158
Edema307, 73.8%935, 70.9%.278
NYHA class III or IV116, 27.9%497, 37.7%<.001
Current smoker31, 7.5%81, 6.1%.404
Medication
Beta-blockers305, 73.3%1062, 80.5%.002
Diuretics355, 85.3%1194, 90.5%.004
ACEIsd/ARBse331, 79.6%1041, 78.9%.812
Ancillary examination
LVEF (%)59.59 ± 7.8957.74 ± 7.67<.001
eGFRf (mL/min/1.73m2)66.06 ± 21.2463.95 ± 21.54.081
Serum sodium (mmol/L)139.55 ± 3.32139.74 ± 3.05.290
Serum potassium (mmol/L)4.22 ± 0.424.17 ± 0.44.044
Hemoglobin (g/dL)12.74 ± 1.5512.89 ± 1.71.088
Normal ECG (n = 416)Abnormal ECG (n = 1320)P
Spironolactone arm208, 50.0%664, 50.3%.959
Age (years)69.48 ± 9.6172.20 ± 9.60<.001
Male164, 39.4%701, 53.1%<.001
White race326, 78.4%1033, 78.3%.999
Medical history
Previous HF hospitalization246, 59.1%781, 59.2%.999
Coronary heart disease178, 42.8%621, 47.0%.144
Myocardial infarction68, 16.3%285, 21.6%.025
Stroke35, 8.4%123, 9.3%.644
COPDb65, 15.6%221, 16.7%.646
Hypertension375, 90.1%1189, 90.1%.999
AF75, 18.0%659, 49.9%<.001
Diabetes mellitus211, 50.7%569, 43.1%.008
Physical examination
Heart rate (bpm)69.21 ± 11.1469.02 ± 11.31.762
Systolic BPc (mm Hg)129.89 ± 15.62126.69 ± 15.64<.001
Diastolic BP (mm Hg)72.09 ± 11.4571.13 ± 11.45.137
Body mass index (kg/m2)34.70 ± 8.3133.55 ± 8.04.012
Dyspnea on exertion407, 97.8%1300, 98.5%.496
Dyspnea at rest65, 16.0%188, 14.5%.523
Orthopnea128, 31.1%411, 31.5%.904
Rales59, 14.4%227, 17.6%.158
Edema307, 73.8%935, 70.9%.278
NYHA class III or IV116, 27.9%497, 37.7%<.001
Current smoker31, 7.5%81, 6.1%.404
Medication
Beta-blockers305, 73.3%1062, 80.5%.002
Diuretics355, 85.3%1194, 90.5%.004
ACEIsd/ARBse331, 79.6%1041, 78.9%.812
Ancillary examination
LVEF (%)59.59 ± 7.8957.74 ± 7.67<.001
eGFRf (mL/min/1.73m2)66.06 ± 21.2463.95 ± 21.54.081
Serum sodium (mmol/L)139.55 ± 3.32139.74 ± 3.05.290
Serum potassium (mmol/L)4.22 ± 0.424.17 ± 0.44.044
Hemoglobin (g/dL)12.74 ± 1.5512.89 ± 1.71.088

aValues are represented as n, %, or mean ± SD, as appropriate.

bCOPD: chronic obstructive pulmonary disease. cBP: blood pressure. dACEI: angiotensin converting enzyme inhibitor. eARB: angiotensin receptor blocker. feGFR: estimated glomerular filtration rate.

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