approached significancep=0.091
In comparing standalone post-course grades, there was only a significant difference in median grades between the synchronous and mixed groups (78.6% [78.6, 92.9] vs 64.3% [42.9, 78.6]; adj-p=0.014), while the difference in synchronous vs asynchronous (78.6 [57.1, 78.6]) approached significance (adj-p=0.091).