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- Title
Association of Monocyte-to-Lymphocyte and Neutrophil-to-Lymphocyte Ratios With Persistent Critical Illness in Patients With Severe Trauma.
- Authors
Zhang, Beiyuan; Han, Yunhong; Chen, Xiancheng; Cao, Ke; You, Yong; Chen, Ming; Zhu, Zhanghua; Yu, Wenkui
- Abstract
BACKGROUND: Neutrophil-to-lymphocyte ratio and monocyte-to-lymphocyte ratio are reported to reflect the inflammation and immune status in critically ill patients, but their role in severe trauma patients with persistent critical illness remains to be elucidated. OBJECTIVE: We aimed to evaluate the relationship of neutrophil-to-lymphocyte ratio and monocyte-to-lymphocyte ratio with persistent critical illness in severe trauma patients. METHODS: In a single-center retrospective cohort study, persistent critical illness was defined as intensive care unit length of stay of more than 10 days. Monocyte-to-lymphocyte ratio and neutrophil-to-lymphocyte ratio were computed individually and categorized into 3 tertiles. Logistic regression analysis was used to assess the relationship of monocyte-to-lymphocyte ratio and neutrophil-to-lymphocyte ratio with persistent critical illness. Receiver operating characteristic curves and the Youden index were used to evaluate the discriminatory threshold of persistent critical illness. RESULTS: A total of 851 eligible patients were enrolled in the study: 328 patients with persistent critical illness and 523 without. The median levels of maximum neutrophil-to-lymphocyte ratio and monocyte-to-lymphocyte ratio during intensive care unit stay were all higher in patients with persistent critical illness than in those without (11.46 vs. 9.13, p <.001 and 0.62 vs. 0.46, p <.001). Multivariate analysis revealed that the second (≥0.385, <0.693) and third (≥0.693) maximum monocyte-to-lymphocyte ratio tertiles were significantly associated with persistent critical illness after adjusting for confounding factors (odds ratio: 1.89, 95% confidence interval: 1.10–3.26, p =.021 and odds ratio 2.69, 95% confidence interval: 1.44–5.02, p =.002, respectively), whereas maximum neutrophil-to-lymphocyte ratio was not significantly correlated with persistent critical illness. The area under the curve for the maximum monocyte-to-lymphocyte ratio was 0.63 (95% confidence interval: 0.59–0.67), and the optimal cutoff was 0.65 for persistent critical illness. CONCLUSION: A high maximum monocyte-to-lymphocyte ratio during intensive care unit stay was independently related to persistent critical illness following severe trauma, although with limited sensitivity and specificity.
- Subjects
INTENSIVE care units; LENGTH of stay in hospitals; STATISTICS; KRUSKAL-Wallis Test; CONFIDENCE intervals; NOSOLOGY; MULTIVARIATE analysis; LOG-rank test; MULTIPLE regression analysis; PATIENTS; RETROSPECTIVE studies; MANN Whitney U Test; NEUTROPHIL lymphocyte ratio; CATASTROPHIC illness; SEVERITY of illness index; T-test (Statistics); EMERGENCY medical services; DESCRIPTIVE statistics; RESEARCH funding; CHI-squared test; WOUNDS &; injuries; LOGISTIC regression analysis; RECEIVER operating characteristic curves; DATA analysis; ODDS ratio; DATA analysis software; MONOCYTE lymphocyte ratio; LONGITUDINAL method
- Publication
Journal of Trauma Nursing, 2022, Vol 29, Issue 5, p240
- ISSN
1078-7496
- Publication type
Article
- DOI
10.1097/jtn.0000000000000672