On the sidebar of the Medical Sciences SE statistics for questions vs. answers are displayed:

[![enter image description here](https://i.stack.imgur.com/bvl2O.png)](https://i.stack.imgur.com/bvl2O.png)

5436 divided by 6378 is not 68%.

If answered equals accepted answers, this may be misleading because it assumes community involvement (accepting the question) for a question to be answered.