Fig. 3From: Risk factors of postoperative delirium after cardiac surgery: a meta-analysisThe forest plots summarizing intra- and postoperative risk factors. a Aortic cross clamp time per minute. b ICU stay per day. c Mechanical ventilation time per hour. Results were summarized with OR and corresponding 95% CI. I2 statistic was used to assess heterogeneity among studiesBack to article page