Table 2.

The performance of EXTEND to identify vital signs and EF on note level

Clinical parameters	Sensitivity	Specificity	PPV	NPV	F1-score
HR	0.95 (0.92, 0.99)	0.95 (0.92,0.99)	0.97 (0.94,1.0)	0.93 (0.88,0.98)	0.96 (0.94,0.98)
BP	0.91 (0.87, 0.96)	1.0	1.0	0.89 (0.83,0.94)	0.95 (0.93,0.98)
T	0.94 (0.90, 0.98)	0.99 (0.98,1.0)	0.99 (0.97,1.0)	0.96 (0.93,0.99)	0.96 (0.94,0.99)
RR	0.94 (0.91, 0.98)	0.99 (0.98,1.0)	0.99 (0.97,1.0)	0.96 (0.93,0.98)	0.96 (0.94,0.99)
O2Sat	0.94 (0.90, 0.98)	0.98 (0.95,1.0)	0.99 (0.97,1.0)	0.9 (0.85,0.96)	0.96 (0.94,0.98)
EF	0.88 (0.77, 0.99)	1.0	1.0	0.99 (0.97,1.0)	0.94 (0.87,1.0)
HbA1C	0.91 (0.88, 0.94)	0.98 (0.97,0.99)	0.96 (0.94,0.99)	0.96 (0.94,0.97)	0.94 (0.92,0.96)
Creat	0.88 (0.85, 0.92)	0.98 (0.97,0.99)	0.95 (0.92,0.97)	0.94 (0.93,0.96)	0.92 (0.89,0.94)

Abbreviations: HR Heart rate, BP Blood pressure, T Temperature, RR Respiratory rate, O₂SAT Oxygen saturation, EF Ejection fraction, Hba1c Hemoglobin A1C, create, creatinine. Brackets indicate 95% confidence interval