Table 5.

Final multivariate logistic regression model for general memory index (<85 and ≥85).

Predictor variables	B	SE	p	Exp (B)	CI (95%) for Exp (B)	Model summary
Gender (male)	−1.948	0.781	0.013	0.143	0.031–0.659	Cox and Snell R2 = 0.45 or −2 log likelihood = 64
Number of surgeries	−1.596	0.327	0.000	0.203	0.107–0.385
Anxiety	0.079	0.041	0.050	1.082	0.999–1.172
Self-efficacy	0.326	0.086	0.000	1.385	1.171–1.639