The combined use of interleukin-6 with serum albumin for mortality prediction in critically ill elderly patients: the interleukin-6-to-albumin ratio
Background: The association between interleukin-6 (IL-6) and serum albumin (ALB) with mortality in critically ill elderly patients, either as stand-alone biomarkers or in combination, has been scarcely reported. We, therefore, aimed to investigate the prognostic value of the IL-6-to-albumin ratio in...
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2022
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my.iium.irep.1044192023-04-17T03:24:26Z http://irep.iium.edu.my/104419/ The combined use of interleukin-6 with serum albumin for mortality prediction in critically ill elderly patients: the interleukin-6-to-albumin ratio Lim, Kai Yang Wan Muhd Shukeri, Wan Fadzlina Wan Hassan, Wan Mohd Nazaruddin Mat Nor, Mohd Basri Hanafi, Muhammad Hafiz RC82 Medical Emergencies, Critical Care, Intensive Care, First Aid Background: The association between interleukin-6 (IL-6) and serum albumin (ALB) with mortality in critically ill elderly patients, either as stand-alone biomarkers or in combination, has been scarcely reported. We, therefore, aimed to investigate the prognostic value of the IL-6-to-albumin ratio in this special population. Patients and methods: This was a cross-sectional study conducted in the mixed intensive care unit (ICU) of two university-affiliated hospitals in Malaysia. Consecutive elderly patients (aged above or equal to 60 years) admitted to the ICU, who underwent simultaneous measurement of plasma IL-6 and serum ALB, were recruited. The prognostic value of the IL-6-to-albumin ratio was assessed by analysis of the receiver-operating characteristic (ROC) curve. Results: A total of 112 critically ill elderly patients were recruited. The outcome of all-cause ICU mortality was 22.3%. The calculated IL-6-to-albumin ratio was significantly higher in the non-survivors compared to the survivors {14.1 [interquartile range (IQR), 6.5–26.7] vs 2.5 [(IQR, 0.6–9.2) pg/mL, p <0.001]}. The area under the curve (AUC) of IL-6-to-albumin ratio for discrimination of ICU mortality was 0.766 [95% confidence interval (CI), 0.667–0.865, p <0.001] which was slightly higher than that of IL-6 and albumin alone. The ideal cut-off value of the IL-6-to-albumin ratio was above 5.7 with a sensitivity of 80.0% and specificity of 64.4%. After adjusting for severity of illness, the IL-6-to-albumin ratio remained as an independent predictor of ICU mortality with an adjusted odd ratio of 0.975 (95% CI, 0.952–0.999, p = 0.039). Conclusion: The IL-6-to-albumin ratio offers a slight improvement in mortality prediction than either of its constituent individual biomarkers and as such, it may be a potential tool to aid in the prognostication of critically ill elderly patients although this requires further validation in a larger prospective study. Jaypee Brothers Medical Publishers (P) Ltd 2022-09-30 Article PeerReviewed application/pdf en http://irep.iium.edu.my/104419/2/104419_The%20combined%20use%20of%20interleukin-6.pdf application/pdf en http://irep.iium.edu.my/104419/3/104419_The%20Combined%20Use%20of%20Interleukin-6%20_Scopus.pdf Lim, Kai Yang and Wan Muhd Shukeri, Wan Fadzlina and Wan Hassan, Wan Mohd Nazaruddin and Mat Nor, Mohd Basri and Hanafi, Muhammad Hafiz (2022) The combined use of interleukin-6 with serum albumin for mortality prediction in critically ill elderly patients: the interleukin-6-to-albumin ratio. Indian Journal of Critical Care Medicine, 26 (10). pp. 1126-1130. ISSN 0972-5229 E-ISSN 1998-359X https://www.ijccm.org/abstractArticleContentBrowse/IJCCM/64/26/10/29975/abstractArticle/Article 10.5005/jp-journals-10071-24324 |
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RC82 Medical Emergencies, Critical Care, Intensive Care, First Aid Lim, Kai Yang Wan Muhd Shukeri, Wan Fadzlina Wan Hassan, Wan Mohd Nazaruddin Mat Nor, Mohd Basri Hanafi, Muhammad Hafiz The combined use of interleukin-6 with serum albumin for mortality prediction in critically ill elderly patients: the interleukin-6-to-albumin ratio |
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Background: The association between interleukin-6 (IL-6) and serum albumin (ALB) with mortality in critically ill elderly patients, either as stand-alone biomarkers or in combination, has been scarcely reported. We, therefore, aimed to investigate the prognostic value of the IL-6-to-albumin ratio in this special population.
Patients and methods: This was a cross-sectional study conducted in the mixed intensive care unit (ICU) of two university-affiliated hospitals in Malaysia. Consecutive elderly patients (aged above or equal to 60 years) admitted to the ICU, who underwent simultaneous measurement of plasma IL-6 and serum ALB, were recruited. The prognostic value of the IL-6-to-albumin ratio was assessed by analysis of the receiver-operating characteristic (ROC) curve.
Results: A total of 112 critically ill elderly patients were recruited. The outcome of all-cause ICU mortality was 22.3%. The calculated IL-6-to-albumin ratio was significantly higher in the non-survivors compared to the survivors {14.1 [interquartile range (IQR), 6.5–26.7] vs 2.5 [(IQR, 0.6–9.2)
pg/mL, p <0.001]}. The area under the curve (AUC) of IL-6-to-albumin ratio for discrimination of ICU mortality was 0.766 [95% confidence interval (CI), 0.667–0.865, p <0.001] which was slightly higher than that of IL-6 and albumin alone. The ideal cut-off value of the IL-6-to-albumin ratio was above 5.7 with a sensitivity of 80.0% and specificity of 64.4%. After adjusting for severity of illness, the IL-6-to-albumin ratio remained as an independent predictor of ICU mortality with an adjusted odd ratio of 0.975 (95% CI, 0.952–0.999, p = 0.039).
Conclusion: The IL-6-to-albumin ratio offers a slight improvement in mortality prediction than either of its constituent individual biomarkers and as such, it may be a potential tool to aid in the prognostication of critically ill elderly patients although this requires further validation in a larger prospective study. |
format |
Article |
author |
Lim, Kai Yang Wan Muhd Shukeri, Wan Fadzlina Wan Hassan, Wan Mohd Nazaruddin Mat Nor, Mohd Basri Hanafi, Muhammad Hafiz |
author_facet |
Lim, Kai Yang Wan Muhd Shukeri, Wan Fadzlina Wan Hassan, Wan Mohd Nazaruddin Mat Nor, Mohd Basri Hanafi, Muhammad Hafiz |
author_sort |
Lim, Kai Yang |
title |
The combined use of interleukin-6 with serum albumin
for mortality prediction in critically ill elderly patients:
the interleukin-6-to-albumin ratio |
title_short |
The combined use of interleukin-6 with serum albumin
for mortality prediction in critically ill elderly patients:
the interleukin-6-to-albumin ratio |
title_full |
The combined use of interleukin-6 with serum albumin
for mortality prediction in critically ill elderly patients:
the interleukin-6-to-albumin ratio |
title_fullStr |
The combined use of interleukin-6 with serum albumin
for mortality prediction in critically ill elderly patients:
the interleukin-6-to-albumin ratio |
title_full_unstemmed |
The combined use of interleukin-6 with serum albumin
for mortality prediction in critically ill elderly patients:
the interleukin-6-to-albumin ratio |
title_sort |
combined use of interleukin-6 with serum albumin
for mortality prediction in critically ill elderly patients:
the interleukin-6-to-albumin ratio |
publisher |
Jaypee Brothers Medical Publishers (P) Ltd |
publishDate |
2022 |
url |
http://irep.iium.edu.my/104419/2/104419_The%20combined%20use%20of%20interleukin-6.pdf http://irep.iium.edu.my/104419/3/104419_The%20Combined%20Use%20of%20Interleukin-6%20_Scopus.pdf http://irep.iium.edu.my/104419/ https://www.ijccm.org/abstractArticleContentBrowse/IJCCM/64/26/10/29975/abstractArticle/Article |
_version_ |
1765296473954582528 |
score |
13.18916 |