Unstimulated, CD62p-expression was measured as median 2.21% (IQR 0.98–5.2%) without significant difference between hemorrhagic and ischemic strokes (median 1.26% [IQR 1.19–2.74] vs. 2.27 [IQR 0.8–5.41]; p = 0.68). Here, SELP is linked to ischemic stroke.