Methods:On the admission day and the third treatment day,immunoradiometric assay was used to measure the serum PCT level in 73 children with SBI(26 with bacterial meningitis,19 with septic shock and 28 with sepsis);

• 方法 :运用放射免疫荧光法 ,对 73例重症细菌感染患儿 (其中化脓性脑膜炎 2 6例、感染性休克 19例、败血症 2 8例 )及 2 0例正常对照组儿童分别在入院当日及第 3d进行了PCT的测定。