Internet of things-based health monitoring system for early detection of cardiovascular events during COVID-19 pandemic

Table 1 The most important features of electrocardiogram signals in the UCI dataset

Features	Values
Age	Yr
Sex	Male = 0, female = 1
Height	cm
Weight	Kg
QRS length	Average QRS length in milliseconds
Distance P-R	Average time interval between the start of waves P and Q in milliseconds
Distance Q-T	Average time interval between start of wave Q and end of wave T in milliseconds
Distance T	Average time interval of wave T in milliseconds
Distance P	Average P wave distance in milliseconds
QRS	Degree vector angles on the screen
T	Degree vector angles on the screen
P	Degree vector angles on the screen
QRST	Degree vector angles on the screen
J	Degree vector angles on the screen
Heart rate	Heart rate per minute