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Fig. 3 | BMC Anesthesiology

Fig. 3

From: Poor preoperative performance at Clock Drawing Test is associated with postoperative decline in olfaction in older patients: an observational pilot study

Fig. 3

Postoperative change in olfactory identification score. Legend: A Individual distribution. The axis line of the histogram represents the numerical difference of postoperative minus preoperative olfactory identification score. B Comparison according to preoperative performance at Clock Drawing Test. The “Decline” category represents patients showing a postoperative decline in olfactory identification score of at least one standard deviation (corresponding to a 2 point decrease). The “No decline” category gathers patients presenting either no significant postoperative change or a postoperative increase in olfactory identification score. CDT, Clock Drawing Test

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