A Novel Neural Network Model for Blood Pressure Estimation Using Photoplethesmography without Electrocardiogram

Table 1

Classification of hypertension in adults (age > 18 years).

Blood pressure classification	BP (mmHg)
	Systolic	Diastolic
Normal	<120	And <80
Prehypertension	120–139	Or 80–89
Stage 1 hypertension	140–159	Or 90–99
Stage 2 hypertension	≥160	Or ≥100