Relationship between obesity and the risk of breast cancer: A case-control study

Document Type : Original Article

Authors

1 Assistant Professor, Department of Thoracic Surgery, Clinical Research Development Unit (CRDU), 5azar Hospital, Golestan University of Medical Sciences, Gorgan, Iran.

2 Medical Student, Clinical Research Development Unit (CRDU), 5azar Hospital, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran.

3 Clinical Research Development Unit (CRDU), 5azar Hospital, Golestan University of Medical Sciences, Gorgan, Iran. PhD Student of Reproductive Health, Infertility and Reproductive Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.

10.22038/ijogi.2025.83996.6260

Abstract

Introduction: Several mechanisms are involved in the effect of obesity on the occurrence of breast cancer as well as its effect on cancer mortality. Since there are contradictory results  in this field, its effectiveness is still debated. Therefore, the present study was conducted with aim to determine the relationship between obesity and the risk of breast cancer in patients referred to the educational and medical centers in Gorgan.Methods: In this case-control study, 140 qualified people were enrolled in two groups with breast cancer (n=70) and those without breast cancer (n=70). Height, weight and body mass index of two groups were measured before the surgery. Demographic information and histological results were collected by a checklist and then analyzed with SPSS software (version 16) and chi-square test and One-way ANOVA. P<0.05 was considered significant.
Results: The mean weight in women with and without breast cancer was 75.76±11.53 and 71.39±10.26 kg, respectively (P=0.019). Also, the mean body mass index of patients with and without breast cancer was 28.68±4.27 and 27.19 ± 3.84 kg/m2 (P=0.032). The incidence of hypertension (P=0.001) and hyperlipidemia (P=0.004) was more common in patients with breast cancer.
Conclusion: The results of the present study showed that the mean weight and body mass index was higher in  patients with breast cancer than those without breast cancer. Also, the incidence of hypertension and hyperlipidemia was more common in the breast cancer group.

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