Improved Survival With Higher Pre-diagnosis Cardiorespiratory Fitness in Men Who Developed Digestive System Cancers: A Prospective Pilot Study

Author Type(s)

Student

Document Type

Article

Publication Date

10-1-2019

DOI

10.21873/anticanres.13748

Journal Title

Anticancer Research

Abstract

BACKGROUND/AIM: Digestive system cancers are the leading cause of cancer mortality and have poor survival particularly in men. The study aimed to assess the association between pre-diagnosis cardiorespiratory fitness (CRF) and cancer mortality in a pilot sample of men who developed digestive system cancers.

PATIENTS AND METHODS: Pre-diagnosis CRF (treadmill exercise test) was assessed in 342 men (68.9±21.8 years) who developed digestive system cancers during 6.7±5 years from baseline evaluation. Cox multivariable hazard models were analyzed for total cancer mortality.

RESULTS: During 7.2±5 years follow-up from baseline, 120 participants died from cancer. Compared to low CRF, moderate and high CRF levels were associated with 57% [0.43, 95%CI=0.24-0.74] and 73% [0.27, 95%CI=0.12-0.59] reduced risks for cancer mortality, respectively (p trend=0.002). Survival time from baseline was longer among those with moderate [13.5 (range=12.1-14.9) years] and high [16.1 (range=14.0-18.2) years] compared to low CRF [7.9 (range=5.7-10.1) years].

CONCLUSION: Higher pre-diagnosis CRF is independently associated with lower risk of cancer mortality and longer survival in men who later developed digestive system cancers.

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