• Hacer Demir, Ayse Demirci, Saliha Karagoz Eren, Ismail Beypinar, Sena Ece Davarcı, and Meltem Baykara.
• Department of Medical Oncology, Afyon Health Sciences University School of Medicine, Afyonkarahisar, Turkey.
• J Coll Physicians Surg Pak. 2022 Jan 1; 32 (1): 86-91.

ObjectiveTo evaluate the prognostic role of pan immune-inflammation value (PIV) in young breast cancer patients.Study DesignDescriptive study.Place And Duration Of StudyDepartment of Medical Oncology, Afyon University of Health Sciences, School of Medicine Hospital, Turkey, between January 2010 and December 2020.MethodologyPatients who were under the age of 40 years at the time of diagnosis were included. Patients' characteristics and disease parameters were recorded. PIV was calculated according to (neutrophil x platelet x monocyte/lymphocyte, i.e. NxPxM/L) formula. Since a cut-off value with max sensitivity and specificity could not be obtained with ROC analysis, the median value of PIV was used as cut-off value. The relationship between PIV and pathological parameters was evaluated by ROC curves. The Kaplan-Meier method was used for OS and the log-rank test was used to evaluate the survival differences between the two groups, according to the optimal cut-off point.ResultsBased on the PIV cut-off value of 121 (49.8%) patients were in the low PIV and 122 (50.2%) patients were in the high PIV group. The patients in the high PIV group had a statistically significantly more advanced AJCC stage, and were younger patients. In the survival analysis, it was observed that the survival was worse in the high PIV group but this difference did not reach statistical significance (p=0.112).ConclusionHigher PIV levels at the time of diagnosis can be another prognostic marker. However, to clarify the PIV prognostic value, it needs to be validated in larger, multi-centre prospective clinical studies. Key Words: Breast cancer, Pan immune-inflammation value (PIV), Prognosis, Young women.

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