alexa Pulmonary function is a long-term predictor of mortality in the general population: 29-year follow-up of the Buffalo Health Study.
Pulmonology

Pulmonology

Journal of Pulmonary & Respiratory Medicine

Author(s): Schnemann HJ, Dorn J, Grant BJ, Winkelstein W Jr, Trevisan M

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Abstract STUDY OBJECTIVES: Results from several studies have described a relationship between pulmonary function and both all-cause and cause-specific mortality. The purpose of this study was to investigate the predictive value of pulmonary function by gender after 29 years of follow-up. DESIGN: Prospective study with 29-year follow-up of the Buffalo Health Study cohort. PARTICIPANTS: Randomly selected sample of 554 men and 641 women, aged 20 to 89 years, from all listed households of the city of Buffalo, NY. MEASUREMENTS AND RESULTS: Baseline measurements were performed in 1960 to 1961. Pulmonary function was assessed based on FEV(1) expressed as the normal percent predicted (FEV(1)\%pred). FEV(1)\%pred adjusted by age, body mass index, systolic BP, education, and smoking status was inversely related to all-cause mortality in both men and women (p<0.01). A sequential survival analysis in participants who had a survival time of at least 5, 10, 15, 20, and 25 years after enrollment in the study was also performed. Except for men who survived for > 25 years, we observed a statistically significant negative association between FEV(1)\%pred and all-cause mortality. FEV(1)\%pred was also inversely related to ischemic heart disease (IHD) mortality. When participants were divided into quintiles of FEV(1)\%pred, participants in the lowest quintile of FEV(1)\%pred experienced significantly higher all-cause mortality compared with participants in the highest quintile of FEV(1)\%pred. For the entire follow-up period, the adjusted hazard ratios for all-cause mortality were 2.24 (95\% confidence interval [CI], 1.60 to 3.13) for men and 1. 81 (95\% CI, 1.24 to 2.63) for women, respectively. Hazard ratios for death from IHD in the lowest quintile of FEV(1)\%pred were 2.11 (95\% CI, 1.20 to 3.71) and 1.96 (95\% CI, 0.99 to 3.88) for men and women, respectively. CONCLUSIONS: These results suggest that pulmonary function is a long-term predictor for overall survival rates in both genders and could be used as a tool in general health assessment.
This article was published in Chest and referenced in Journal of Pulmonary & Respiratory Medicine

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