Table 7. Multiple logistics regression of the oral feeding group.

Group	Related factors	B	SE	Wald	P value	OR	95% CI
							Lower	Upper
Overt aspiration	Age	0.047	0.128	0.135	0.713	1.048	0.815	1.348
	Mechanical ventilation	−0.646	1.006	0.412	0.512	0.524	0.073	3.765
	Disorders of consciousness	0.691	0.852	0.657	0.418	1.996	0.376	10.606
	Swallowing disorders	−3.052	1.303	5.486	0.019	0.047	0.004	0.608
	History of aspiration	−2.587	0.900	8.255	0.004	0.075	0.013	0.439
	Gastric retention	−0.608	0.990	0.378	0.539	0.544	0.078	3.787
	Intra-abdominal hypertension	−1.691	0.939	3.244	0.072	0.174	0.029	1.161
	Vomiting	−0.376	0.897	0.176	0.675	0.686	0.118	3.981
	Spontaneous cough	−1.383	1.123	1.515	0.218	0.251	0.028	2.268
	Gastrointestinal tumors	−2.301	1.048	4.820	0.028	0.100	0.013	0.781
Silent aspiration	Age	0.203	0.100	4.125	0.042	1.226	1.007	1.492
	Mechanical ventilation	−1.429	0.775	3.397	0.065	0.240	0.052	1.095
	Disorders of consciousness	0.582	0.661	0.775	0.379	1.790	0.49	6.537
	Swallowing disorders	−1.966	1.222	2.587	0.108	0.140	0.013	1.536
	History of aspiration	−1.584	0.778	4.148	0.042	0.205	0.045	0.942
	Gastric retention	−0.269	0.849	0.100	0.751	0.764	0.145	4.032
	Intra-abdominal hypertension	−2.183	0.762	8.207	0.004	0.113	0.025	0.502
	Vomiting	−0.088	0.759	0.013	0.908	0.916	0.207	4.052
	Spontaneous cough	−1.968	0.900	4.778	0.029	0.140	0.024	0.813
	Gastrointestinal tumors	−2.768	0.918	9.096	0.003	0.063	0.010	0.379

SE, standard error; CI, confidence interval; OR, odds ratio.