<abstract xmlns="http://www.w3.org/1999/xhtml"><p>No studies have yet investigated the influence of smoking on age at diagnosis of breast cancer. Therefore, the present study was carried out. This study consisted of 605 females with pathologically confirmed primary adenocarcinoma of the breast and 438 healthy females matched by age. Among our participants, 86 (14.2%) patients and 62 (14.1%) control subjects, respectively, were smokers. Based on a Cox regression model, evidence suggested that smoking status influenced the age at diagnosis of breast cancer (HR=0.78, 95% CI: 0.62-0.99, P=0.040). After stratification of the patients according to their menopausal status, the same results were obtained. The present study indicated that non-smokers have a lower age at diagnosis in comparison with patients who smoke.</p></abstract>

No studies have yet investigated the influence of smoking on age at diagnosis of breast cancer. Therefore, the present study was carried out. This study consisted of 605 females with pathologically confirmed primary adenocarcinoma of the breast and 438 healthy females matched by age. Among our participants, 86 (14.2%) patients and 62 (14.1%) control subjects, respectively, were smokers. Based on a Cox regression model, evidence suggested that smoking status influenced the age at diagnosis of breast cancer (HR=0.78, 95% CI: 0.62-0.99, P=0.040). After stratification of the patients according to their menopausal status, the same results were obtained. The present study indicated that non-smokers have a lower age at diagnosis in comparison with patients who smoke.

Influence Of Smoking Habit On Age At Diagnosis Of Breast Cancer

Department of Biology, College of Sciences, Shiraz University, Shiraz 71454, Iran

Department of Chemotherapy, Shiraz University of Medical Sciences, Shiraz, Iran

Experimental and Applied Biomedical Research (EABR)

This chapter is distributed under the terms of the Creative Commons Attribution 4.0 Public License.

UTICAJ PUŠAČKE NAVIKE NA STAROSNU DOB PACIJENATA U TRENUTKU POSTAVLJANJA DIJAGNOZE KARCINOMA DOJKE

No studies have yet investigated the influence of smoking on age at diagnosis of breast cancer. Therefore, the present study was carried out. This study...

Influence Of Smoking Habit On Age At Diagnosis Of Breast Cancer

Published Online: Oct 14, 2015

Page range: 213 - 216

Received: Feb 03, 2015

Accepted: Jul 07, 2015

DOI: https://doi.org/10.1515/sjecr-2015-0028

Keywords
Age at diagnosis, breast cancer, smoking Habit

© 2015 Mehrdad Rajaei et al., published by De Gruyter Open

This chapter is distributed under the terms of the Creative Commons Attribution 4.0 Public License.

Influence Of Smoking Habit On Age At Diagnosis Of Breast Cancer

Published Online: Oct 14, 2015

Page range: 213 - 216

Received: Feb 03, 2015

Accepted: Jul 07, 2015

DOI: https://doi.org/10.1515/sjecr-2015-0028

KeywordsAge at diagnosis, breast cancer, smoking Habit

© 2015 Mehrdad Rajaei et al., published by De Gruyter Open

This chapter is distributed under the terms of the Creative Commons Attribution 4.0 Public License.

Keywords
Age at diagnosis, breast cancer, smoking Habit