Table 3.

Performance metrics defined by Eqs. 12 and 13 for the PT detection algorithm: Dataset B (different population), 21 healthy younger adults, 3 healthy older adults, 5 patients with MS, 5 IPS patients, and 8 stroke patients

	sit-to-stand					stand-to-sit
	TP	FP	FN	PPV	SE	TP	FP	FN	PPV	SE
Healthy younger adults	133	5	8	96	94	133	0	14	100	90
Healthy older adults	15	0	0	100	100	16	1	1	94	94
IPS patients	24	6	6	80	80	21	5	9	81	70
MS patients	23	2	1	92	96	23	1	4	96	85
Stroke patients	48	3	4	97	92	72	5	18	94	80