Table 2.

Logistic regression of risk factors for aspiration.

Variables	Beta coeff.	SE	Z	p	Odds ratio	95 % CI
Intercept	−2.849	3.376	−0.84
Age	−0.068	0.026	−2.66	0.008	0.93	0.89–0.98
Consciousness	0.466	0.222	2.10	0.036	1.59	1.03–2.46
Mechanical ventilation	2.309	0.525	4.39	<0.001	10.07	3.59–28.20
Aspiration history	2.192	0.545	4.02	<0.001	8.96	3.08–26.09
Nutritional risk	1.870	0.672	2.78	0.005	6.49	1.74–24.23
Number of comorbidities	1.177	0.261	4.52	<0.001	3.25	1.95–5.41

Abbreviations: Beta coeff., beta coefficient; SE, standard error.