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

Table 4 Linear regression model showing associations between hypertonic saline and CD14 + CD16+ monocytes

	β	95% CI	P value
Hypertonic saline	− 0.61	− 0.74 to − 0.48	.000
Age, per year	0.00	− 0.00 to 0.02	.160
Sex, women versus men	− 0.07	− 0.20 to 0.07	.327
ASA, II versus III	0.05	− 0.09 to 0.18	.486
MMSE, per point	− 0.03	− 0.08 to 0.01	.166
Hypertension, yes versus no	−0.06	− 0.22 to 0.10	.464
Diabetes, yes versus no	0.04	− 0.11 to 0.20	.588
Coronary artery disease, yes versus no	− 0.09	− 0.25 to 0.06	.242
Cerebral infarction, yes versus no	0.05	− 0.09 to 0.19	.456
Duration of anesthesia, < 97 min versus ≥ 97 min	0.15	0.01 to 0.28	.030

ASA American Society of Anesthesiologists, MMSE mini-mental state examination, CI confidence interval, OR odds ratio. The 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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