Table 1. Demographic Data and Clinical Features of TGA Patients and Controls.

	TGA	Controls
	(n = 45)	(n = 45)
Age	61.5±8.7(35–85)	61.5±8.7(35–85)
Gender (M/F)	19/26	19/26
Coronary artery disease	1(2.2%)	0 (0%)
Hyperlipidemia	3(6.7%)	2 (4.4%)
Hypertension	4(8.9%)	5 (11.1%)
Diabetes Mellitus (DM)	2(4.4%)	1 (2.2%)
Headache with Cough	4(8.9%)	0 (0%)
Mitral ValveProlapse (MVP)	3(6.7%)	2 (4.4%)
Sleep Apnea Syndrome(SAS)	1(2.2%)	0 (0%)
Syncope	3(6.7%)	0 (0%)
Insomnia	1(2.7%)	0 (0%)
Glaucoma	2(4.4%)	0 (0%)
Carotid stenosis	0(0%)	0 (0%)
MCA stenosis	3(6.7%)	0 (0%)
Previous stroke	1(2.2%)	0 (0%)
Clinical profiles of TGA
Recurrent		21(46.7%)
Duration of amnesia (hours)		7.5±7.9 (0.2–11)
VM–like activities or precipitating factor, n (%)		16(35.6%)

TGA transient global amnesia, MCA middle cerebral artery, VM Valsalva maneuver, MCA stenosis included stenosis <50%.