Incidence of Delirium in Critically Ill Cancer Patients

Table 3

Risk factors for delirium in oncological critical ill patients, univariate and multivariate analysis.

	Univariate			Multivariate
	OR	CI 95%		OR	CI 95%
Time with mechanical ventilation (days)	1.06	0.99–1.13	0.070	1.06	0.99–1.13	0.070
Time in the ICU (days)	1.07	1.01–1.14	0.020
Hematologic neoplasm	2.08	0.82–5.25	0.040
Metastasis	2.83	0.99–7.98	0.040
Age (years)	1.03	0.99–1.05	0.050
Hypovolemic shock	0.23	0.05–1.05	0.060
Use mixed sedation	5.59	0.88–35.56	0.070
Acute kidney injury at admission to the ICU	2.26	0.89–5.68	0.080
Chemotherapy	0.46	0.18–1.17	0.100
Acute respiratory failure	2.75	0.79–9.58	0.110
Postcardiac arrest care	3.68	0.69–19.52	0.130
Use of mechanical ventilation	1.76	0.63–4.88	0.270
MEXSOFA score at admission to the ICU	1.05	0.93–1.18	0.410
SOFA score at admission to the ICU	1.04	0.93–1.18	0.440
Use of sedative in the ICU	1.44	0.56–3.72	0.440
Postsurgical care	0.54	0.06–4.72	0.580
Septic shock	1.21	0.49–2.99	0.670
Analgesics with opioids	0.91	0.23–3.53	0.880
Use of benzodiazepines	0.96	0.38–2.43	0.930

ICU: intensive care unit; SOFA: Sequential Organ Failure Assessment score; MEXSOFA: Mexican Sequential Organ Failure Assessment score; CI: confidence interval; Hosmer–Lemeshow χ²  = 9.24, ; auROC: 0.69 (CI 95% 0.57–0.82), .