Table 1.

Studies on stroke etiology in young patients

Reference	Country	LAA	CE	SVD	ODE	UE
Cerrato et al20	Italy	16	24	17	19	24
Nedeltchev et al2	Switzerland	4	30	9	24	33
Rasura et al15	Italy	12	34	3	28	24
Varona et al3	Spain	20	18	5	22	36
Jovanovic et al21	Serbia	8	20	22	24	26
Putaala et al7	Finland	8	20	14	26	33
Spengos and Vemmos22	Greece	9	13	17	27	34
Smajlovic et al6	Bosnia and Herzegovina	15	10	26	9	40
Tancredi et al23	Italy	9	19	16	29	27
Yesilot Barlas et al24	Europe	9	17	12	22	40

Note: All numbers are percentages.

Abbreviations: LAA, large artery atherosclerosis; CE, cardiac embolism; SVD, small vessel disease; ODE, other determined etiology; UE, undetermined etiology.