Table 2.

Multiple logistic regression analysis for POCD after laparoscopic surgery for colon cancer.

Parameter	POCD
	OR	95%CI	P value
Age	1.837	0.972–3.352	0.068
MMSE	2.313	0.685–7.251	0.147
Duration of surgery	2.486	0.784–7.894	0.119
Duration of anesthesia	3.873	0.857–18.153	0.081
CRP	2.271	0.824–6.235	0.124
TNF-α	2.051	0.808–5.210	0.131
Creatinine	1.421	0.232–9.143	0.703
Urea	2.219	0.205–21.551	0.513
Relative miRNA-155 expression	2.732	1.415–5.233	0.002*

MMSE – mini-mental state examination; CRP – C-reactive protein; TNF-α – tumor necrosis factor-α; POCD – postoperative cognitive dysfunction; CI – confidence interval; OR – odds ratio.

^*P value<0.05.