Table 1

Patient demographics clinical features and models of app use

Patient demographicsClinical featuresModels of app use
Patient 1,
20–29 years, female
HFpEF, NYHA II,
Hypertrophic obstructive cardiomyopathy
Patient directly trained and uses the app herself
Patient 2,
70–79 years, male
HFpEF, NYHA II, coronary artery disease, hypertension, type II diabetes mellitusPatient maintains paper diary, sends photos of monitoring data through WhatsApp to caregiver, who reports it on app
Patient 3,
70–79 years, male
HFrEF, NYHA II coronary artery disease, hypertension, type II diabetes mellitusCaregiver was trained initially; caregiver trained patient over 10 days, who later uses it himself
Patient 4,
50–59 years, male
HFrEF, NYHA II coronary artery disease, hypertension, type II diabetes mellitus, strokeInitial apprehension and reluctance to use technology; Study nurse trained slowly, later was confident to use
Patient 5,
50–59 years, female
HFpEF, NYHA II hypertension, type II diabetesPatient directly trained and uses the app herself
  • HFpEF, heart failure preserved ejection fraction; NYHA, New York Heart Association.