FIELD: medicine.
SUBSTANCE: invention relates to diagnosis, specifically to a method for diagnosing an infection of the lower respiratory tract associated with a bacterial infection. Disclosed is a method for diagnosing an infection of the lower respiratory tract associated with a bacterial infection in a subject in need thereof, comprising measuring sCD14-ST in a blood sample obtained from a subject; comparison of measured level sCD14-ST with threshold value; differential diagnosis between bacterial and viral infections based on the measured level of sCD14-ST, wherein increasing the measured level of sCD14-ST compared to said threshold value, is an indicator of respiratory infection of lower respiratory tract associated with a bacterial infection, where said threshold value is greater than 577 pg/ml, and less than or equal to 895 pg/ml, versions.
EFFECT: diagnostics of an infectious airway disease using blood samples is offered.
4 cl, 4 dwg, 1 tbl, 6 ex
