SERPINE1 and myeloid sarcoma: Similarly, in MS with CMBs, the correlation between PAI1 and sVCAM1 (r = 0.64, p = 0.026, CI 95% = 0.29, 0.94) was better than in MS patients without CMBs (r = 0.21, p = 0.022, CI 95% = 0.03, 0.36).