Before revision: Event "Z" in control group : 4 in 25 people Control Event Rate : 4/25 Event "Z" in experimental group : 12 in 25 people Experimental Event Rate : 12/ 2
After revision: Event "Z" in control group : 4 in 25Another worked example is as follows5 people Control Event Rate : 4/25 Event "Z" in experimental group : 12 in 25 people Experimental Event Rate : 12/ 2