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

Table 2 Univariable and multivariable logistic regression analysis for the prediction of a postoperative decline in olfactory identification score

Variable	Univariable			Multivariable
Variable	OR	95% CI	P Value	OR	95% CI	P Value
CDT score	0.72	0.53–0.99	0.040	0.67	0.48–0.94	0.022
Age	1.03	0.95–1.11	0.472	1.03	0.95–1.12	0.510
Female	0.76	0.28–2.09	0.591	0.86	0.27–2.74	0.803
Lower education level (≤ 9 years)	0.86	0.30–2.42	0.769	0.70	0.22–2.25	0.550
ASA physical status III	3.05	1.08–8.59	0.035	3.21	1.00–10.30	0.051
Intermediate or major surgery	0.70	0.23–2.10	0.520	0.87	0.26–2.89	0.822

OR Odds Ratio, CI Confidence Interval, CDT Clock Drawing Test, ASA American Society of Anesthesiologists

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