Table 4.

Risk factors for mNGS or culture – positive.

	OR	95%CI	P value
Admission APACHE II score	1.096	(1.006 – 1.195)	0.036
Platelets	1.001	(0.998 – 1.004)	0.552
Brain natriuretic peptide	1.000	(1.000 – 1.000)	0.153
Underlying diseases that affect immunity	6.544	(1.835 – 23.335)	0.004
Hypertension	3.413	(1.069 – 7.431)	0.036
Diabetes	3.208	(0.909 – 11.320)	0.070