Table 3.

Data from orthostatic hypercoagulability studies.

Participants	Number of participants (F/M)	Orthostatic provocation tests	Timing	Hypercoagulability	References
H	18 (9/9)	Standing test	0, 15, 30, and 60 min	Y	Masoud et al. 2008 [6]
H	11 (5/6)	Standing test	0, 15 and 30 min	Y	Masoud et al. 2010 [17]
H	7 (0/7)	HUT plus graded LBNP	0, 2, 4, 6, 8, 10, 12, 14, 16, 18, and 36 min	Y	Cvirn et al. 2012 [7]
H	21 (7/14)	LBNP	0, 3, 21, and 26 min	Y	Kraemer et al. 2010 [8]
US & OI	178 (97/81)	HUT	3 min	Y	Hamrefors et al. 2017 [18]
IS & H	44 (19/25)	STST	0, and 6 min	Y	Cvirn et al. 2017[19]

H, healthy individuals; US, unexplained syncope; IS, patients with a history of ischemic stroke; F, female; M, male; HUT, head-up tilt test; LBNP, lower limb negative pressure test; STST, sit-to-stand test.