Is this bit from the article what you are looking for? Of all the observed adverse drug events and medication errors that could have resulted in patient harm —

Is this bit from the article what you are looking for? Of all the observed adverse drug events and medication errors that could have resulted in patient harm — four of which were intercepted by operating room staff before affecting the patient — 30 percent were considered significant, 69 percent serious, and less than 2 percent life-threatening; none were fatal.