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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Anesthesiology. 2015 Jun;122(6):1214–1223. doi: 10.1097/ALN.0000000000000669

Figure 1.

Figure 1

Trial diagram. Patients missed Confusion Assessment Method (CAM) assessments for the following reasons were considered as missing due to unavailability, including out of the unit, medical reasons (such as, severe pain, shortness of breath, and etc.), asleep, ventilated, intubated, and discharge. POD = postoperative day.