Table 2.

Distribution of biomarker levels by stroke etiology

Biomarker	Stroke Etiology	Q1	Median	Q3
Copeptin pmol/L	Large-artery atherosclerosis1	4.1	6.5	11.5
	Small-artery occlusion2	4.1.	7.2	11.9
	Cardioembolism3	5.4	7.9	13.5
	Cryptogenic, other and undermined4	3.5	7.1	11.1
MRproANP pmol/L	Large-artery atherosclerosis1	52	85	137
	Small-artery occlusion2	51	93	156
	Cardioembolism3	97	157	195
	Cryptogenic, other and undermined4	69	97	174
PCT ug/L	Large-artery atherosclerosis1	0.024	0.039	0.048
	Small-artery occlusion2	0.023	0.031	0.059
	Cardioembolism3	0.024	0.030	0.047
	Cryptogenic, other and undermined4	0.023	0.032	0.045

Stroke subgroups according to etiologies were:

¹Large-artery atherosclerosis n=29 (17%);

²Small-artery occlusionn=38 (22%);

³Cardioembolic n=57 (33%);

⁴cryptogenic n=41, other determined n=3 and undetermined etiology due to lack of documentation n=3, amounting to n= 47(28%)