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Table 2 Incidence of postoperative delirium

From: The Hip Fracture Surgery in Elderly Patients (HIPELD) study: protocol for a randomized, multicenter controlled trial evaluating the effect of xenon on postoperative delirium in older patients undergoing hip fracture surgery

Author Study type Patients Age (years) Method Incidence Comments
Marcantonio E, 2001[26] RCT 64 >65 CAM 50% Total (n = 126)
Marcantonio E, 2002[27] PCS 122 >65 CAM 40% Subanalysis of[25]
Marcantonio E, 2002[28] PCS 126 >65 CAM 41% Subanalysis of[25]
Furlaneto M, 2006[3] PCS 106 >65 CAM 29.1%  
Zakriya K, 2002[29] PCS 168 >65 CAM 28%  
Zakriya K, 2004[30] PCS 92 >65 CAM 28%  
Sharma P, 2005[31] PCS 47 >56 CAM 36%  
Galanakis P 2001[32] PCS 37 >60 CAM 40.5%  
  1. This table is an excerpt from studies assessing delirium with the CAM. Based on these data the power for this study has been calculated.
  2. CAM = Confusion Assessment Method; PCS = prospective cohort study; RCT = randomized controlled trial.