Table 6. Pairwise comparison of characteristics of micro-aspiration in different groups (P value).

Group	Disorders of consciousness	Swallowing disorders	Vomiting	Spontaneous cough	Mechanical ventilation
Oral feeding group with gastric feeding group comparison	0.051	0.012	0.007	0.068	0.513
Oral feeding group with post-pyloric feeding groups comparison	0.009	0.117	0.078	0.009	0.066
Gastric feeding group with oral feeding group comparison	0.383	0.411	0.427	0.308	0.010