SERPING1 and brain infarction: In the MCAO models, brain infarct size was significantly reduced by C1‐INH (SMD = −1.81 [95% CI, −2.66 to −0.96]; p < 0.001) and FUT175 (SMD = −2.44 [95% CI, −3.56 to −1.32]; p < 0.001).