Table 3. Comparison of characteristics of dominant aspiration in patients with different feeding patterns.

Variables	Oral feeding group	Gastric tube feeding group	Post-pyloric feeding group	Test statistic	P value
Age (years)	69.19±4.02	70.74±4.21	71.17±2.84	1.390	0.255
Disorders of consciousness	5 [31]	23 [61]	13 [54]	3.906	0.142
Swallowing disorder	5 [31]	24 [63]	8 [33]	7.362	0.025
History of aspiration	9 [56]	13 [34]	11 [46]	2.417	0.299
Gastric retention	4 [25]	21 [55]	5 [21]	8.908	0.012
Intra-abdominal hypertension	4 [25]	14 [37]	15 [63]	6.438	0.040
Vomiting	5 [31]	13 [34]	6 [25]	0.588	0.745
Spontaneous cough	3 [19]	12 [32]	15 [63]	9.246	0.010
Gastrointestinal tumors	6 [38]	15 [39]	12 [50]	0.858	0.651
Mechanical ventilation	4 [25]	15 [39]	16 [67]	7.610	0.022
Intra-abdominal hypertension	4 [25]	14 [37]	15 [63]	6.438	0.040
Vomiting	5 [31]	13 [34]	6 [25]	0.588	0.745

Data are presented as mean ± SD or n [%]. SD, standard deviation.