The Relationship Between Body Mass Index with Breast Cancer Incidence in Dr. M Djamil General Hospital Padang

Introduction: Breast cancer is a type of cancer that most commonly found in women. There are several risk factors for breast cancer where the primary cause has not been established. Few studies have investigated the association between body mass index (BMI) and breast cancer but still uncertain. The aim of this study is to know the correlation between BMI and breast cancer in Dr. M. Djamil General Hospital Padang. Methods: This research was conducted in September 2015 until March 2016 with the case-control study design of 100 breast cancer cases and 100 age matched cancer-free controls. Samples taken from the cases of the medical records of Surgical Oncology of Dr. M. Djamil General Hospital Padang. Pearson Chi Square test was used to assess the relationship between the variables. Result: The result showed 44% of cases and 49% of controls within BMI≥25, 39% of cases and 29% of controls within BMI 18.5 to 22.9, and the rest was in the BMI range of 23 to 24.9. From the Chi Square test, resulted as p = 0.304 for BMI to the cases and control groups. Conclusion: There was no significant correlation between body mass index with the incidence of breast cancer in the studied population. It needed to do further research on other factors that may be related. Keywords: body mass index, breast cancer, risk factor