Table 3.

Performance summary of all six models

Model	AUC ROC Test (Train)	Specificity* Test (Train)	Accuracy* Test (Train)	PPV* Test (Train)
1	0.80 (0.80)	0.53 (0.50)	0.74 (0.72)	0.70 (0.69)
2	0.56 (0.59)	0.11 (0.18)	0.55 (0.58)	0.55 (0.58)
3	0.74 (0.70)	0.21 (0.22)	0.62 (0.60)	0.59 (0.59)
4	0.77 (0.76)	0.27 (0.27)	0.62 (0.62)	0.60 (0.61)
5	0.81 (0.88)	0.57 (0.71)	0.75 (0.82)	0.72 (0.80)
6	0.87 (0.90)	0.72 (0.81)	0.82 (0.86)	0.80 (0.86)

^*Model sensitivity was fixed at 0.90

Model 1: Purity-SQI, SampEn, RR-rSTD, ACC-STD from wristband

Model 2: Age, Race, and Gender

Model 3; chronic obstructive pulmonary disease, hypertension, peripheral vascular disease, and creatinine,

Model 4: body mass index, systolic blood pressure, diastolic blood pressure, heart rate, and oxygen saturation

Model 5: Models 2, 3, and 4 combined

Model 6: Model 1 + 5 combined