Neutrophil to lymphocyte ratio and the hematoma volume and stroke severity in acute intracerebral hemorrhage patients

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Abstract

Background:

Neutrophil to lymphocyte ratio (NLR) serves as a powerful inflammatory marker for predicting cardiovascular events. Here, we investigate whether admission NLR is associated with hematoma volume, stroke severity, and 3-month outcomes in patients with acute intracerebral hemorrhage (ICH).

Methods:

352 patients with acute ICH were prospectively identified in this study. Demographic characteristics, lifestyle risk factors, NIHSS score, hematoma volumes, and other clinical features were recorded for all participants. Patients was divided into quartiles based on the admission NLR levels (Q1: < 2.78; Q2: 2.78–4.08; Q3: 4.08–7.85; Q4: ≥ 7.85). Multivariable linear regression models and logistic regression models were used to evaluate the association between NLR and hematoma volume, admission severity, or the outcomes after ICH.

Results:

Median NIHSS scores for each quartile (Q1 to Q4) were 6.0, 6.0, 6.0, and 11.0 (P = .001), and median hematoma volumes were 9.5, 9.3, 9.1, and 15.0 ml (P = .005), respectively. After adjusting the age, sex, and other potential risk factors, the patients in Q4 had higher NIHSS scores (P = .042) and larger hematoma volume (P = .014). After 3-month follow-up, 148 poor outcomes (mRS, 3–6) and 47 all-cause deaths were documented. There were more patients with poor outcomes in Q4 than Q1. However, compared with the patients in Q1, those in Q4 were not associated with poor outcomes (P-trend = 0.379), and all-cause mortality (P-trend = 0.843) after adjust for other risk factors.

Conclusions:

Higher admission NLR are associated with larger hematoma volume and more serious stroke, but not 3-month outcomes in patients with acute ICH.

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