To the contrary, the incidences of TIMI microbleed and global utilization of streptokinase and tissue plasminogen activator for occluded coronary arteries microbleed, including urine occult blood, fecal occult blood, epistaxis, and gingival bleeding, in rh-proUK group were significantly higher than those in tirofiban group (Table 5). This evidence concerns the gene PLAT and Gingival bleeding.