Table 2. Relative expression of miRNA-223-3p in the exosomes of each group.

Group	Number of cases	Relative expression of miRNA-223-3p
NC	35	1.00±0.34
CSVD	38	1.52±0.38
CSVDCI	40	2.42±0.43

NC, normal controls; CSVD, cerebral small vessel disease; CSVDCI, CSVD cognitive impairment.