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. 2019 Dec;202(6):1248-1254.
doi: 10.1097/JU.0000000000000433. Epub 2019 Jul 10.

Association of Smoking and Death from Genitourinary Malignancies: Analysis of the National Longitudinal Mortality Study

Bashir Al Hussein Al Awamlh  1 , Jonathan E Shoag  1 , Vaishali Ravikumar  1 , Lina Posada  1 , Benjamin L Taylor  1 , Johannes C van der Mijn  2 , Aleem I Khan  1 , Jonathan Fainberg  1 , Omar Al Hussein Alawamlh  1 , Douglas S Scherr  1
Affiliations

Association of Smoking and Death from Genitourinary Malignancies: Analysis of the National Longitudinal Mortality Study

Bashir Al Hussein Al Awamlh et al. J Urol. 2019 Dec.

Abstract

Purpose: We explored the association between tobacco use and genitourinary cancer specific survival in a contemporary, nationally representative sample of the United States civilian population.

Materials and methods: A total of 493,282 participants in the National Longitudinal Mortality Study who provided detailed tobacco information from 1993 to 2005 were included in study. Our primary outcome was death from bladder, kidney or prostate cancer. Cause of death was determined from death certificates. Analyzed smoking parameters included smoking status at the time of the survey, age at the start of smoking and home smoking rules. Multivariable Cox regression models were used to assess associations of different smoking parameters with bladder, kidney and prostate cancer specific mortality.

Results: During a 5-year followup 5.6% of participants who had ever smoked died compared to 3.1% of those who had never smoked (p <0.0001). Of those who died of bladder, kidney and prostate cancer 62%, 58% and 62%, respectively, were ever smokers. On multivariable analysis ever smoking was associated with bladder and kidney cancer mortality (HR 1.92, 95% CI 1.25-2.97, and HR 1.54, 95% CI 1.01-2.34, respectively). Additionally, starting to smoke during teenage years and smoking at home were associated with bladder cancer specific mortality (HR 2.14, 95% CI 1.28-3.56 and HR 2.99, 95% CI 1.34-6.65) and kidney cancer specific mortality (HR 1.65, 95% CI 1.03-2.66 and HR 2.84, 95% CI 1.54-5.23, respectively). However, only everyday smoking was associated with an increased risk of prostate cancer mortality (HR 1.81, 95% CI 1.30-2.53).

Conclusions: In a nationally representative study we confirmed the association between smoking intensity and mortality from genitourinary malignancies. Starting to smoke at a younger age and smoking at home conferred a significantly higher risk of death from bladder and kidney cancers.

Keywords: kidney neoplasms; mortality; risk; smoking; urinary bladder neoplasms.

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  • Editorial Comment.
    Pessoa RR, Kukreja J. Pessoa RR, et al. J Urol. 2019 Dec;202(6):1253. doi: 10.1097/01.JU.0000581808.25475.cf. Epub 2019 Jul 30. J Urol. 2019. PMID: 31469612 No abstract available.

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