CYBB and Stroke: Moreover, type-II (beta) error of the differences between infarct volumes in Nox2y/− mice and wild-type controls was only 7% in our study (93% power, respectively) (Tables S3–S5), which is a very powerful result compared to the positive reports on Nox2 deficiency in cerebral ischemia [42]–[44] as well as to many other experimental stroke studies in general [4],[45].