Prognostic Value of GDF-15 in Predicting Prolonged Intensive Care Stay following Cardiac Surgery: A Pilot Study

Table 3

Results of univariable and multivariable logistic regression analyses for identifying predictors of prolonged ICU stay.

	Univariable logistic regression			Multivariable logistic regression
	OR	95% CI		OR	95% CI
Age	1.17	1.02–1.34	0.025	1.132	0.91–1.47	0.260
Male	0.70	0.13–3.70	0.673
BMI	0.97	0.81–1.13	0.653
Diabetes	2.14	0.39–13.6	0.390
GDF-15	1.01	1.00–1.02	0.029	1.003	0.99–1.01	0.461
GFR	0.93	0.86–1.00	0.073
EuroSCORE II	1.80	1.12–3.59	0.043	1.149	0.48–2.79	0.738
CPB	1.01	0.99–1.03	0.370
SAPS II	1.50	1.06–2.13	0.022	1.140	0.71–1.94	0.562
Apache II	1.41	1.03–2.10	0.050
SOFA	2.21	1.02–4.80	0.045	1.590	0.52–8.04	0.463

BMI: body mass index; GFR: glomerular filtration rate; CPB: coronary pulmonary bypass; SOFA: sequential organ failure assessment.