Table 5.

Single factor analysis of the risk factors for MDRO infectious pneumonia

Risk factor	Risk factor	MDRO group (n=110)	Sensitive bacteria group (n=106)	X2	P
Gender	Male	60	56	0.064	0.8
	Female	50	50
History of ICU treatment	Yes	80	36	32.627	< 0.001
	No	30	70
Surgical history	Yes	76	40	21.346	< 0.001
	No	34	66
Indwelling catheter	Yes	89	26	68.928	< 0.001
	No	21	80
Mechanical ventilator	Yes	90	20	85.595	< 0.001
	No	20	86
Arterial and venous intubation	Yes	100	50	48.67	0.001
	No	10	56
Fibroscopy	Yes	60	20	29.465	< 0.001
	No	50	86
Gastroscopy	Yes	70	26	33.437	< 0.001
	No	40	80
Comorbid chronic lung disease	Yes	88	30	58.209	< 0.001
	No	22	76
Comorbid cardiovascular disease	Yes	80	30	42.63	< 0.001
	No	30	76
Diabetes	Yes	60	55	0.153	0.695
	No	50	51