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Table 1 Baseline characteristics

From: Wearable defibrillator use in heart failure (WIF): results of a prospective registry

Baseline characteristics Total (n=82)
Sex: Males (%) 59 (72%)
Age: Mean (SD) 61.0 (11.1)
 Range 37-83
Baseline EF (SD) 23.9% (9.4%)
 Range 7.5%-65%
Baseline NYHA class (%) n=74
 Class I 11 (14.9%)
 Class II 20 (27.0%)
 Class III 40 (54.1%)
 Class IV 3 (4.1%)
Prior MI (n=78) 17 (21.8%)
Prior PCI (n=80) 10 (12.5%)
Prior CABG (n=81) 17 (21.0%)
Prior sustained VT (n=82) 4 (4.9%)
Prior VF (n=79) 1 (1.3%)
HTN (n=81) 55 (67.9%)
Diabetes (n=81) 36 (44.4%)
Smoking (n=81) 45 (55.6%)
BMI n=69
 <18.5 2 (2.9%)
 18.5-24.9 20 (29.0%)
 25–29.9 18 (26.1%)
 >30 29 (42.0%)
ECG n=81
 Atrial Fibrillation 8 (9.9%)
 Bradycardia 3 (3.7%)
 Sinus rhythm with 1st deg AV block 2 (2.5%)
 Left bundle branch block 3 (3.7%)
 Right bundle branch block 2 (2.5%)
 Sinus tachycardia 12 (14.8%)
 Multiple PVCs 4 (4.9%)
Device History  
 Active pacemaker 2 (2.4%)
 Past/inactive pacemaker 2 (2.4%)
 Prior/inactive ICD 4 (4.9%)
Medications  
 Beta Blockers 78 (95.1%)
 ACE Inhibitors 63 (76.8%)
 Angiotensin II Receptor Blockers 16 (19.5%)
 Anti-arrhythmics 7 (8.5%)