OCLN and hematocrit: To further explore the relationship between baseline level of serum occludin and different types of HT, 17 patients with HT were further divided into four subgroups, according to the ECASS II criteria (Hacke et al., 1998): HI1 (n = 2), HI2 (n = 7), PH1 (n = 6), and PH2 (n = 2).