That's not a takeaway here at all.

It's 50% of the time ER doctors working solely from notes, something they never do, in a situation they know is only for a study, will miss what you have.

In real clinical situations the doctors see, hear, smell, and interact with the patients.

Also, it just says they did not make the "correct" call, but that could mean they ordered an extra test, or took a more conservative route for treatment.