Table 2. Comparison of the mean optic nerve sheath diameter values according to the stroke subgroups.

	Groups		Mean±SD	Median (IQR)	p-value*	Post hoc
Mean ONSD (mm)	Group 1	Control	4.58±0.24	4.5 (4.4-4.7)	<0.001	Group 1-Group 2: p<0.001 Group 1-Group 3: p<0.001 Group 1-Group 4: p<0.001 Group 1-Group 5: p<0.001 Group 1-Group 6: p<0.001 Group 2-Group 3: p=0.006 Group 2-Group 4: p<0.001 Group 2-Group 5: p<0.001 Group 2-Group 6: p=0.002 Group 3-Group 4: p=0.003 Group 3-Group 5: p<0.001 Group 3-Group 6: p<0.001 Group 4-Group 5: p=0.004 Group 4-Group 6: p<0.001 Group 5-Group 6: p=0.002
	Group 2	TACI	6.43±0.09	6.4 (6.3-6.5)
	Group 3	PACI	5.70±0.12	5.7 (5.6-5.8)
	Group 4	POCI	5.45±0.09	5.4 (5.4-5.5)
	Group 5	LACI	5.28±0.16	5.3 (5.2-5.4)
	Group 6	TIA	5.03±0.20	5.1 (4.8-5.2)

TIA: transient ischemic attack; ONSD: optic nerve sheath diameter; TACI: total anterior circulation infarct; PACI: partial anterior circulation infarct; POCI: posterior circulation infarct; LACI: lacunar infarct. *Kruskal-Wallis analysis.