Table 5.

Exercise Stress Test (ETT) and Seismocardiography (SCG) and Disease Severity

Severity Score	ETT PPV (%)	ETT NPV (%)	SCG PPV (%)	SCG NPV (%)
0	70	61	72	70
1	70	61	72	70
2	70	61	72	70
4	65	67	72	81
5	65	70	72	84
8	60	70	69	84
16	55	70	66	84
17	55	74	62	86
18	55	76	62	89
20	55	78	59	89
64	35	85	34	89
65	25	87	28	92
66	20	87	24	92
68	20	91	17	92
69	15	91	17	95
80	15	93	14	95
128	5	98	3	97
129	5	100	3	100
132	0	100	0	100