Question

The table below shows how the risk ratio was calculated in a study examining the risk of wound infections when an incidental appendectomy was done during a staging laparotomy for Hodgkin’s disease.

Have Incidental Appendectomy?	Wound Infection	No Wound Infection
Yes	15	195
No	3	85

Calculated the Relative Risk?

	A.	4
	B.	5
	C.	2.95
	D.	2

Answer 1

the necessary table be:-

have incidental appendectomy	wound infection	no wound infection	row total
yes	15 (a)	195 (b)	210 (a+b)
no	3 (c)	85 (d)	88 (c+d)

the relative risk be:-

***in case of doubt, comment below. And if u liked the solution, please like.