04-25-2015, 07:03 PM
a randomized clinical trial is conducted to compare wound healing and cosmetic differences between two surgical procedures for closing skin wounds following cesarean delivery. a total of 500 women undergoing c-section during a 6-month period are enrolled in the study. a research asst is assigned to conduct outcome assessments of each participant at 2 wks and 6 wks following delivery. both procedures require the expertise of surgical specialists who cannot be blinded to the procedure. results show that procedure A has a lower rate of wound infection compared to procedure B (RR of 0.66 with a 95% CI of 0.30 - 1.45); the two procedures also have a similar cosmetic results 6 wks after delivery. which of the following statements most accurately represents the comparision between procedure A and procedure B in a clinial care setting?
a. neither procedure is superior
b. procedure A is superior to procedure B
c. procedure B is superior to procedure A
d. the two procedure should not be used in a clinical care setting.
a. neither procedure is superior
b. procedure A is superior to procedure B
c. procedure B is superior to procedure A
d. the two procedure should not be used in a clinical care setting.