Clinical features and the degree of cerebrovascular stenosis in different types and subtypes of cerebral watershed infarction

Table 2 Clinical course and prognosis at 90th day of patients with different types of WSI

Variable	CWI (n = 92)	IWI (n = 112)	Mixed type (n = 136)	P
Initial NIHSS Score	3 (1, 5)	3 (1, 6)	3 (1, 5)	0.423
Clinical course, n (%)
Improving	33 (35.9)	18 (16.1)	26 (19.1)	0.002
Stable	50 (54.3)	56 (50.0)	76 (55.9)	0.641
Deteriorated	12 (13.0) ^a	38 (33.9) ^a	35 (25.7)	0.003
Prognosis at 90th day
Poor outcome, n (%)	21 (22.8) ^a	47 (42.0) ^a	50 (36.8)	0.014

Data are presented as counts (%)
WSI Watershed infarction, CWI Cortical watershed infarction, IWI Internal watershed infarction, NIHSS The National Institutes of Health Stroke Scale, N number of persons
^a Significant difference between CWI and IWI group

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