Table 3.

Pearson correlation coefficients among vital signs of the baseline model.

Variable	Heart rate	Systolic BPa	Diastolic BP	Respiration rate	Body temperature	SpO2b	Glucose
Heart rate	1	–0.104	0.211	0.326	0.268	–0.099	0.063
Systolic BP	–0.104	1	0.524	–0.032	0.065	0.045	0.063
Diastolic BP	0.211	0.524	1	0.0257	0.065	–0.0148	0.0142
Respiration rate	0.326	–0.032	0.0257	1	0.118	–0.259	0.069
Body temperature	0.268	0.065	0.0335	0.118	1	0.051	–0.022
SPO2	–0.099	0.045	–0.0148	–0.259	0.051	1	–0.048
Glucose	0.063	0.078	0.0142	0.069	–0.022	–0.048	1

^aBP: blood pressure.

^bSpO₂: oxygen saturation.