. Author manuscript; available in PMC: 2020 Jan 8.

Published in final edited form as: Cochrane Database Syst Rev. 2019 Jan 8;1:CD007293. doi: 10.1002/14651858.CD007293.pub4

Analysis 1.3. Comparison 1 Preoperative testing versus selective or no preoperative testing, Outcome 3 Total deaths.

Review: Routine preoperative medical testing for cataract surgery

Comparison: 1 Preoperative testing versus selective or no preoperative testing

Outcome: 3 Total deaths