Naoko Komura1, Seiji Mabuchi2, Eriko Yokoi1, Katsumi Kozasa1, Hiromasa Kuroda1, Tomoyuki Sasano1, Yuri Matsumoto1, Tadashi Kimura1. 1. Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan. 2. Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan. smabuchi@gyne.med.osaka-u.ac.jp.
Abstract
OBJECTIVE: We retrospectively investigated the prognostic significance and clinical utility of pretreatment neutrophilia and elevated neutrophil-lymphocyte ratio (NLR) in patients with epithelial ovarian cancer. METHODS: Clinical data were collected from 344 surgically staged ovarian cancer patients between April 2007 and March 2016 and retrospectively reviewed. Neutrophilia and elevated NLR were defined as a neutrophil count ≥ 8,000/μl and an NLR ≥ 4.0, respectively. Univariate or multivariate analysis was conducted to evaluate the association between pretreatment neutrophilia or elevated NLR and clinicopathological characteristics, optimal surgery rate, progression-free survival (PFS) and disease-specific survival (DSS). Finally, we compared the clinical utility between neutrophil count and NLR by receiver operating characteristic (ROC) analysis. RESULTS: Pretreatment neutrophilia and elevated NLR were observed in 24 (7.0%) and 142 (41.3%) patients, respectively. In univariate analysis, both neutrophilia and elevated NLR were found to be associated with short PFS and DSS (p < 0.005). Multivariate analysis showed that neutrophilia and elevated NLR were predictors for shorter survival. In ROC analysis, the NLR tended to have a greater area under the ROC curve (AUC) value than the neutrophil count in predicting recurrence (0.7011 vs 0.6516, p = 0.0546) and had a significantly greater AUC value in predicting DSS (0.7249 vs 0.6379, p = 0.0182). Finally, based on the neutrophil count and NLR, we divided the patients into 3 prognostic groups-high-risk group (elevated NLR with neutrophilia), intermediate-risk group (elevated NLR without neutrophilia), and low-risk group (normal NLR), which allows for individualized and accurate survival estimates. CONCLUSIONS: Pretreatment neutrophilia and elevated NLR are independent poor prognostic factors in epithelial ovarian cancer patients. The NLR was superior to neutrophil count in predicting the survival of epithelial ovarian cancer patients.
OBJECTIVE: We retrospectively investigated the prognostic significance and clinical utility of pretreatment neutrophilia and elevated neutrophil-lymphocyte ratio (NLR) in patients with epithelial ovarian cancer. METHODS: Clinical data were collected from 344 surgically staged ovarian cancerpatients between April 2007 and March 2016 and retrospectively reviewed. Neutrophilia and elevated NLR were defined as a neutrophil count ≥ 8,000/μl and an NLR ≥ 4.0, respectively. Univariate or multivariate analysis was conducted to evaluate the association between pretreatment neutrophilia or elevated NLR and clinicopathological characteristics, optimal surgery rate, progression-free survival (PFS) and disease-specific survival (DSS). Finally, we compared the clinical utility between neutrophil count and NLR by receiver operating characteristic (ROC) analysis. RESULTS: Pretreatment neutrophilia and elevated NLR were observed in 24 (7.0%) and 142 (41.3%) patients, respectively. In univariate analysis, both neutrophilia and elevated NLR were found to be associated with short PFS and DSS (p < 0.005). Multivariate analysis showed that neutrophilia and elevated NLR were predictors for shorter survival. In ROC analysis, the NLR tended to have a greater area under the ROC curve (AUC) value than the neutrophil count in predicting recurrence (0.7011 vs 0.6516, p = 0.0546) and had a significantly greater AUC value in predicting DSS (0.7249 vs 0.6379, p = 0.0182). Finally, based on the neutrophil count and NLR, we divided the patients into 3 prognostic groups-high-risk group (elevated NLR with neutrophilia), intermediate-risk group (elevated NLR without neutrophilia), and low-risk group (normal NLR), which allows for individualized and accurate survival estimates. CONCLUSIONS: Pretreatment neutrophilia and elevated NLR are independent poor prognostic factors in epithelial ovarian cancerpatients. The NLR was superior to neutrophil count in predicting the survival of epithelial ovarian cancerpatients.
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