OBJECT: To evaluate procalcitonin (PCT) as a diagnostic marker of bacterial sepsis in critically ill neonates and to compare the results of PCT with those of C-reactive protein (CRP).

• 目的:评价降钙素原(PCT)对新生儿败血症早期诊断的价值,并与大众已知的细菌感染标志物如C反应蛋白(CRP)等进行比较。