A new laparoscopic operation approach is being tested for Appendicectomy to see if there are less wound infection rates with the newer laparoscopic approach. 100 patients had the new operation and out of these patients 5 developed a would infection. A further 100 patients had the old operation and 12 patients from this cohort developed a wound infection.
What is the risk ratio for the new laparoscopic operation?
All answers are rounded to 2 decimal places.