A personality trait contributes to the occurrence of postoperative delirium: a prospective study

BMC Psychiatry

Table 3 Factors in the final model associated with postoperative delirium

	Regression coefficient	Wald	Risk ratio	P	95 % CI for risk ratio
MMSE	-0.129	5.725	0.879	0.02	0.79-0.98
Regional anesthesia	1.303	4.742	3.680	0.03	1.14-11.89
Neuroticism	0.807	9.492	2.242	0.00	1.34-3.75
Conscientiousness	-0.373	4.729	0.689	0.03	0.49-0.96

The model was well fitted with P = .15 in Hosmer-Lemeshow goodness-of-fit test, and Nagelkerke R² was 0.427
Abbreviations: CI confidence interval, MMSE mini-mental state examination

ISSN: 1471-244X