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Table 2 Demographic and clinical characteristics of patients

From: The Caregiver Burden Questionnaire for Heart Failure (CBQ-HF): face and content validity

Patient sample characteristics Set 1 St Paul (n = 9) Set 2 Philadelphia (n = 9) Total (N = 18)
Patient gender    
Male 4 5 9
Female 5 4 9
Patient NYHA classification 4    
Class 2: Slight, mild limitation of activity; the patient is comfortable at rest or with mild exertion 5 5 10
Class 3: Marked limitation of any activity; the patient is comfortable only at rest 3 3 6
Class 4: Any physical activity brings on discomfort and symptoms occur at rest 1 1 2
Patient left ventricular ejection fraction    
<40% EF (HFrEF) 3 4 7
>50% EF (HFpEF) 3 1 4
Between 40% and 50% EF 3 4 7
Patient co-morbidity condition    
Diabetes Type II 7 2 9
Hypertension 7 0 7
Chronic obstructive pulmonary disease 3 0 3
Depression 2 1 3
Osteoarthritis 0 3 3
Renal failure 2 0 2
Neuropathy 2 0 2
Obstructive sleep apnea 1 0 1
Anxiety 1 0 1
Gastro oesophageal reflux disease 1 0 1
Anemia 1 0 1
Bipolar 1 0 1
Dementia 1 0 1
Artrial fibrillation 1 0 1
Glaucoma 0 1 1
Obesity 0 1 1
  1. 4Patients classified NYHA Class 1 were excluded.