Hypertonic saline for prevention of delirium in geriatric patients who underwent hip surgery

Table 3 Random-effect logistic regression model showing associations between hypertonic saline and delirium

	OR	95% CI	P value
Hypertonic saline	0.13	0.04 to 0.41	.001
Age, per year	1.16	1.05 to 1.28	.005
Sex, women versus men	0.30	0.10 to 0.89	.030
ASA, II versus III	1.41	0.49 to 4.09	.525
MMSE, per point	0.89	0.60 to 1.31	.540
Hypertension, yes versus no	1.33	0.37 to 4.79	.664
Diabetes, yes versus no	1.81	0.54 to 6.09	.341
Coronary artery disease, yes versus no	0.90	0.26 to 3.19	.873
Cerebral infarction, yes versus no	3.76	1.28 to 11.07	. 016
Duration of anesthesia, < 97 min versus ≥ 97 min	1.92	0.63 to 5.83	.252

ASA American Society of Anesthesiologists, MMSE mini-mental state examination, CI confidence interval, OR odds ratio The receiver operating characteristic (ROC) curve was calculated to evaluate the cut-off point of the duration of anesthesia. The patients were divided into two groups based on the cut-off point. Significant results are italicized

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