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Chinese Journal of Critical Care & Intensive Care Medicine(Electronic Edition) ›› 2021, Vol. 07 ›› Issue (01): 14-20. doi: 10.3877/cma.j.issn.2096-1537.2021.01.003

Special Issue:

• Clinical Researches • Previous Articles     Next Articles

Relationship between clinical biomarkers and prognosis of geriatric patients with pneumonia in intensive care unit

Hao Wang1, Na Xin1, Xuexia Xu1, Zhiying Yin2, Wenjiao Wang3, Bin Sun1, Siqing Ma1,()   

  1. 1. Intensive Care Unit, Qinghai Provincial People's Hospital, Xining 810007, China
    2. Graduate School of Qinghai University, Xining 810007, China
    3. Huzhu County Hospital of TCM, Huzhu 810599, China
  • Received:2020-08-28 Online:2021-02-28 Published:2021-04-23
  • Contact: Siqing Ma

Abstract:

Objective

To investigate predictive value of clinical markers in geriatric patients with pneumonia in ICU.

Methods

The clinical data of 222 patients admitted to the ICU of Qinghai Provincial People's Hospital from January 2017 to December 2018 was collected. Gender, age, ethnicity, APACHE Ⅱ score, SOFA score, CURB-65 score, PCT, BNP, CRP, WBC and PLT were recorded. The length of stay in ICU and prognosis of the patients were also recorded. The risk factors of clinical prognosis were analyzed by binary Logistic regression model. The sensitivity, specificity and Youden index of clinical predicting indicators were analyzed with the receiver operating characteristic curve (ROC).

Results

The APACHE Ⅱ [10(8, 13) vs 19(16, 23)], ethnicity, gender, PCT on admission [2.39(0.88, 4.66) vs 6.02(2.69, 12.94)], BNP on admission [702(367, 1172) vs 954(460, 1496)], CRP on admission [5.84(2.31, 14.98) vs 10.47(4.86, 18.22)], PCT at discharge [1.47(0.56, 2.65) vs 6.33(1.98, 12.54)], BNP at discharge [464(215, 713) vs 1414(412, 2377)], CRP at discharge [3.35(1.40, 7.09) vs 5.10(2.75, 11.98)] were significantly different between survival group and death group (P<0.05). The percentage of patients with against-advice discharge and death was 39.19%. Patients with APACHE Ⅱ score over 15 had a higher mortality rate (75.51% vs 10.48%). The mortality of patients who had a half decreased PCT level at discharge were lower (30.30% vs 46.34%). The mortality of patients who had a half decreased BNP at discharge were lower (18.75% vs 50.70%). Binary Logistic regression model analysis results showed that SOFA score (OR=2.775, P=0.001), CURB-65 score (OR=10.052, P=0.001), PCT at discharge (OR=1.189, P=0.029), BNP at discharge (OR=1.002, P=0.001) were independent risk factors for poor outcome.

Conclusion

The APACHE Ⅱ score over 14.5, SOFA score over 8.5, CURB-65 score over 3.5, PCT over 4.35 ng/ml, BNP over 1155 pg/ml, and CRP over 6.53 mg/dl can significantly increase the risk of death in geriatric patients with pneumonia in ICU.

Key words: Acute physiology and chronic health evaluation Ⅱ, Procalcitonin, B-type natriuretic peptide, C-reactive protein, Platelet, Sequential organ failure assessment, CURB-65

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