TIMP1 and hematoma: Moreover, we again observed that admission hematoma volume was positively associated with TIMP-1 levels (0.17; 95% CI 0.03 to 0.32, p = 0.022, Table 4) but also with MMP-7 levels (0.83; 95% CI 0.32 to 1.34, p = 0.002, Table 4).