Table 3.

Physical frailty, hyperactive delirium and their combinations as independent mortality predictors by univariate and multivariate cox regression analysis

	HR	95% CI	HR	95% CI	HR	95% CI
Model 1	5.52	2.40–12.66***	1.54	0.82–2.87	3.11	1.33–7.28***
Model 2	4.79	1.93–11.95***	1.38	0.71–2.66	2.68	1.07–6.72**
Model 3	4.42	1.75–11.13***	1.66	0.85–3.25	2.85	1.18–6.87**

FD, frail with delirium; FND, frail non delirious, NFD, not-frail with delirium

NFND as reference

Model 1: Age + sex adjusted

Model 2: Model 1 plus history of heart failure, diabetes type 1 or type 2, Chronic Obstructive Pulmonary Disease, Chronic Renal Failure, Stroke and Obesity

Model 2 + WHO status

*p-value < 0.05; **p-value < 0.01; ***p-value < 0.001