Statistical analysis showed that there was no significant difference in serum occludin levels between the two groups (severe hematoma: 0.26 [IQR, 0.13–0.92] vs. mild hematoma 0.27 [IQR, 0.20–1.32] ng/mL; p = 0.220; Figure 4C). Here, OCLN is linked to hematoma.