approached significancep = 0.107
Although genotypic differences only approached significance following exposure to 6% CO 2 [Group, F (1, 10) = 3.128, p = 0.107], there was an interval of approximately 100 breaths when Lc/ + mice had significantly longer EEPs than WT controls during recovery from 6% CO 2 [data not shown; Group × Breaths, F (509, 5090) = 1.114, p = 0.046].