Table 3.

Multivariate logistic regression analysis for PICS

	OR (95% CI)	P value
Ln (Age)	0.33 (0.036–2.4)	0.28
Ln (APACHE II score)	0.31 (0.067–1.1)	0.081
Ln (Charlson comorbidity index + 1)*	1.3 (0.62–2.8)	0.28
Population with mandatory 9-year education	4.0 (1.1–18.8)	0.029

PICS post-intensive care syndrome, OR odds ratio, CI confidence interval, APACHE Acute Physiology and Chronic Health Evaluation

*1 was added to Charlson comorbidity index before performing log transformation because the data had the values of 0