For the diagnosis of bacteriuria in symptomatic patients, decreasing the colony count to 1000 to 10,000 bacteria per milliliter will improve sensitivity without significantly reducing specificity (level of evidence, C).

• 对有症状菌尿患者诊断菌尿的标准可以减少为每毫升1000年到10,000细菌，这可以增加敏感性，而且没有显著的减少减少特异性(证据级别，C)。