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Canadian Respiratory Journal
Volume 13 (2006), Issue 2, Pages 79-82
http://dx.doi.org/10.1155/2006/892034
Original Articles

Vital Capacity and Selected Metabolic Diseases in Middle-Aged Japanese Men

Hidenari Sakuta,1 Takashi Suzuki,2 Hiroko Yyasuda,1 and Teizo Ito1

1Department of Internal Medicine, Self-Defense Forces Central Hospital, Tokyo, Japan
2Department of Research and Laboratory, Self-Defense Forces Central Hospital, Tokyo, Japan

Copyright © 2006 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

OBJECTIVE: To elucidate the association between vital capacity and the presence of selected metabolic diseases in middle-aged Japanese men.

METHODS: A cross-sectional analysis of the associations among forced vital capacity (FVC), static vital capacity as a percentage of that predicted (%VC) and the presence of metabolic diseases was performed.

RESULTS: In a univariate linear regression analysis, FVC and %VC were inversely associated with poor vegetable intake, cigarette smoking and body mass index, but not with physical activity or ethanol consumption. In a logistic regression analysis adjusted for lifestyle factors, body mass index and age, the odds ratios for the presence of metabolic disease per 0.54 L (1 SD) decrease in FVC were 1.24 (95% CI 1.03 to 1.50) for type II diabetes, 1.21 (95% CI 1.02 to 1.42) for hypertension, 1.34 (95% CI 1.11 to 1.63) for hypertriglyceridemia, 1.23 (95% CI 1.03 to 1.46) for high gamma-glutamyl transferase levels and 1.63 (95% CI 1.10 to 2.41) for an episode of cardiovascular disease. FVC did not correlate with hyperhomocysteinemia, hypercholesterolemia or high white blood cell count. Similar results were also obtained for the association between %VC and metabolic diseases.

CONCLUSIONS: A decrease in FVC or %VC was associated with the presence of some metabolic diseases. The association may partly explain the reported association between low FVC and cardiovascular disease.