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| The Clinical Value of Serum Procalcitonin on Severity and Prognosis of Respiratory Critically Ill Patients |
| Xiangcheng Traditional Chinese Medical Hospital， Xiangcheng 466200， China |
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Abstract Objective： To discuss the clinical value of serum procalcitonin on severity and prognosis of respiratory critically ill patients. Method： The APACHEⅡ score， Marshall score， hospitalization， mortality rate and the level of PCT were observed and recorded to evaluate the severity and prognosis of respiratory critically ill patients. Result： The APACHEⅡscore of the High-level group was（ 21.98±2.33） and it was obviously higher than that of the Low-level group （P<0.05）. The Marshall score of the High-level group was（ 7.41±0.88） and it was obviously higher than that of the Low-level group（ P<0.05）. The average length of stay of the High-level group was obviously longer than that of the Lowlevel group（ P<0.05）. The mortality rate of the High-level group was 15.00% and it was obviously higher than that of the Low-level group（ P<0.05）. Conclusion： The serum procalcitonin level has a significant clinical value on severity and prognosis of respiratory critically ill patients and it deserves promotion.
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