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. Author manuscript; available in PMC: 2016 Apr 25.
Published in final edited form as: Curr Opin Anaesthesiol. 2013 Apr;26(2):116–125. doi: 10.1097/ACO.0b013e32835e21d2

FIGURE 2.

FIGURE 2

Frequency of postoperative respiratory events. Events are shown in accordance with four patient groups defined by the combination of sleep apnea clinical score (SACS; low or high) and recurrent postanesthesia care unit (PACU) events (no or yes). A multiple logistic regression analysis included the SACS group and recurrent PACU events as explanatory variables and found that the likelihood of postoperative respiratory events was significantly associated with high SACS (odds ratio, 3.5; P = 0.001) and recurrent PACU events (odds ratio, 21.0; P < 0.001). Adapted with permission from [35].