Table 2.

Percent rate of spontaneous retinal venous pressure (SVP) (physiological value) and increased ocular dynamometric force (ODF) in the different groups of patients

	FS	MetS	POAG	POAG/FS+	None	p valuea
SVP rate	16.2%	5%	35.7%	0%	66.9%	<0.001
ODF >3 mmHg	83.8%	90%	57.1%	94.1%	23.8%	<0.001

SVP spontaneous retinal venous pulsation, ODF _m mean of the right and left eye ophthalmodynamometric force, FS Flammer syndrome, MetS metabolic syndrome, POAG primary open-angle glaucoma, POAG/FS+ primary open-angle glaucoma and Flammer syndrome

^aKruskal-Wallis test between the five subgroups