• Haijun Qi, Dong Wang, Xiuling Deng, and Xuefei Pang.
• Department of Neurosurgery, Ulanqab Central Hospital, Ulanqab, Inner Mongolia, China (mainland).
• Med. Sci. Monit. 2018 Dec 20; 24: 9282-9291.

AbstractBACKGROUND Lymphocyte-to-monocyte ratio (LMR) is an independent predictive factor of clinical outcome of acute ischemic stroke and cancer, but the predictive effect of LMR in spontaneous intracerebral hemorrhage (ICH) is unknown. Thus, the aim of this study was to explore the impact of peripheral LMR on the neurological deterioration (ND) during the initial week after spontaneous ICH onset, as well as 90-day mortality. MATERIAL AND METHODS The clinical data of 558 consecutive patients with ICH were retrospectively analyzed. LMR is calculated by absolute lymphocyte count divided by absolute monocyte count. RESULTS Of these patients, 166 patients experienced ND during the first week after admission and 72 patients died within 90 days. Multivariate analysis indicated that white blood cells (WBC), absolute neutrophil count (ANC), absolute lymphocyte count (ALC), neutrophil-to-lymphocyte ratio (NLR), LMR were significantly associated with ND during the initial week after ICH onset and also were associated with 90-day mortality. Moreover, NLR and LMR showed a higher predictive ability in ND during the initial week after ICH onset than 90-day mortality in receiver operating characteristic analysis. The best cut-off points of NLR and LMR in predicting ND and 90-day mortality were 10.24 and 2.21 and 16.81 and 2.19, respectively. CONCLUSIONS Our results suggest that LMR on admission is a predictive factor for ND during the initial week after ICH onset, as well as 90-day mortality.

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