OBJECTIVE To investigate the related risk factors for bacterial infections in the very low birth weight infants(VLBWI)so as to provide guidance for clinical prevention and treatment.METHODS A total of 262 VLBWI who were born in the department of obstetrics from Feb 2012 to May 2015 were recruited as the study objects,then the clinical symptoms of the VLBWI and laboratory examination results were observed,the risk factors for the bacterial infections were analyzed,and the statistical analysis was performed w...