Yafeng Liu1, Chunxiao Hu1, Jing Wu1,2, Jiawei Zhou1, Wenyang Wang1, Xueqin Wang1, Jianqiang Guo1, Qingsen Wang1, Xin Zhang1, Jun Xie3, Yingru Xing1,4, Xuansheng Ding1,3,5, Dong Hu1,2. 1. School of Medicine, Anhui University of Science and Technology Huainan, P. R. China. 2. Anhui Province Engineering Laboratory of Occupational Health and Safety, Anhui University of Science and Technology Huainan, P. R. China. 3. Affiliated Cancer Hospital, Anhui University of Science and Technology Huainan, P. R. China. 4. Department of Clinical Laboratory, Anhui Zhongke Gengjiu Hospital Hefei, P. R. China. 5. School of pharmacy, China Pharmaceutical University Nanjing, P. R. China.
Abstract
OBJECTIVE: To observe whether there is an association between the lymphocyte/monocyte ratio (LMR) and the occurrence of brain metastases in non-small cell lung cancer (BM-NSCLC) patients. METHOD: Retrospective collection of patients' information meeting the standards of nano-excretion, was done from January 2016 to September 2021. We calculated the odds ratio (OR) and 95% confidence interval (CI) of LMR versus BM-NSCLC using multivariate logistic regression, and stratified analysis was performed. The linear or nonlinear relationships that exist between the two were explored by generalized additive model and smoothed curve fitting. RESULTS: In all three models, LMR was negatively associated with BM-NSCLC (Model 1: OR, 0.72; 95% CI, 0.57-0.9; P=0.0037. Model 2: OR, 0.64; 95% CI, 0.50-0.82; P=0.0005. Model 3: OR, 0.62; 95% CI, 0.47-0.81; P=0.0005). This negative association was shown to be significant in patients with adenocarcinoma (ADC), who were, female, and in T2-T4 stages, and N1-N3 stages (ADC: OR, 0.59; 95% CI, 0.44-0.80; P=0.0006. female: OR, 0.37; 95% CI, 0.20-0.68; P=0.0013. T2-T4: OR, 0.59; 95% CI, 0.43-0.82; P=0.0014; N1-N3: OR, 0.62; 95% CI, 0.45-0.86; P=0.0042), according to subgroup analysis. CONCLUSION: After controlling for relevant confounders, this study demonstrated that increased LMR levels in NSCLC patients were substantially and inversely connected to their likelihood of BM, particularly in patients with ADC, who were female, or had T2-T4, and N1-N3 stages. AJTR
OBJECTIVE: To observe whether there is an association between the lymphocyte/monocyte ratio (LMR) and the occurrence of brain metastases in non-small cell lung cancer (BM-NSCLC) patients. METHOD: Retrospective collection of patients' information meeting the standards of nano-excretion, was done from January 2016 to September 2021. We calculated the odds ratio (OR) and 95% confidence interval (CI) of LMR versus BM-NSCLC using multivariate logistic regression, and stratified analysis was performed. The linear or nonlinear relationships that exist between the two were explored by generalized additive model and smoothed curve fitting. RESULTS: In all three models, LMR was negatively associated with BM-NSCLC (Model 1: OR, 0.72; 95% CI, 0.57-0.9; P=0.0037. Model 2: OR, 0.64; 95% CI, 0.50-0.82; P=0.0005. Model 3: OR, 0.62; 95% CI, 0.47-0.81; P=0.0005). This negative association was shown to be significant in patients with adenocarcinoma (ADC), who were, female, and in T2-T4 stages, and N1-N3 stages (ADC: OR, 0.59; 95% CI, 0.44-0.80; P=0.0006. female: OR, 0.37; 95% CI, 0.20-0.68; P=0.0013. T2-T4: OR, 0.59; 95% CI, 0.43-0.82; P=0.0014; N1-N3: OR, 0.62; 95% CI, 0.45-0.86; P=0.0042), according to subgroup analysis. CONCLUSION: After controlling for relevant confounders, this study demonstrated that increased LMR levels in NSCLC patients were substantially and inversely connected to their likelihood of BM, particularly in patients with ADC, who were female, or had T2-T4, and N1-N3 stages. AJTR
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