These numbers are a guide to help you choose an appropriate channel. Based on these results, it looks like your best choice is probably channel 11.
These numbers look kind of high to me. In my testing, I don't normally see numbers higher than about 20%. You could always setup and see what happens. If the clients are passing voice or video, my guess is that it will no work well. If the clients are just passing plain old data, you might get acceptable performance (probably just need to test).
