A reference equation for maximal aerobic power for treadmill and cycle ergometer exercise testing: Analysis from the FRIEND registry

被引:78
作者
de Souza e Silva, Christina G. [1 ,2 ]
Kaminsky, Leonard A. [3 ]
Arena, Ross [4 ]
Christle, Jeffrey W. [5 ]
Araujo, Claudio Gil S. [6 ]
Lima, Ricardo M. [7 ]
Ashley, Euan A. [8 ]
Myers, Jonathan [2 ]
机构
[1] Univ Fed Rio de Janeiro, Heart Inst Edson Saad, Rio De Janeiro, Brazil
[2] Stanford Univ, Vet Affairs Palo Alto Hlth Syst, Cardiol Div, Stanford, CA 94305 USA
[3] Ball State Univ, Fisher Inst Hlth & Well Being & Clin Exercise Phy, Muncio, IN USA
[4] Univ Illinois, Chicago, IL USA
[5] Stanford Univ, Div Cardiovasc Med, Stanford, CA 94305 USA
[6] Exercise Med Clin CLINIMEX, Rio De Janeiro, Brazil
[7] Univ Brasilia, Fac Phys Educ, Brasilia, DF, Brazil
[8] Stanford Univ, Stanford Ctr Inherited Cardiovasc Dis, Stanford, CA 94305 USA
关键词
Physical fitness; exercise test; oxygen consumption; CARDIORESPIRATORY FITNESS; ALL-CAUSE; SCIENTIFIC STATEMENT; REFERENCE-STANDARDS; OLDER-ADULTS; CAPACITY; MORTALITY; DISEASE; PREDICTION; SEX;
D O I
10.1177/2047487318763958
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background Maximal oxygen uptake (VO(2)max) is a powerful predictor of health outcomes. Valid and portable reference values are integral to interpreting measured VO(2)max; however, available reference standards lack validation and are specific to exercise mode. This study was undertaken to develop and validate a single equation for normal standards for VO(2)max for the treadmill or cycle ergometer in men and women. Methods Healthy individuals (N=10,881; 67.8% men, 20-85 years) who performed a maximal cardiopulmonary exercise test on either a treadmill or a cycle ergometer were studied. Of these, 7617 and 3264 individuals were randomly selected for development and validation of the equation, respectively. A Brazilian sample (1619 individuals) constituted a second validation cohort. The prediction equation was determined using multiple regression analysis, and comparisons were made with the widely-used Wasserman and European equations. Results Age, sex, weight, height and exercise mode were significant predictors of VO(2)max. The regression equation was: VO(2)max (mlkg(-1)min(-1))=45.2 - 0.35*Age - 10.9*Sex (male=1; female=2) - 0.15*Weight (pounds) + 0.68*Height (inches) - 0.46*Exercise Mode (treadmill=1; bike=2) (R=0.79, R-2=0.62, standard error of the estimate=6.6mlkg(-1)min(-1)). Percentage predicted VO(2)max for the US and Brazilian validation cohorts were 102.8% and 95.8%, respectively. The new equation performed better than traditional equations, particularly among women and individuals 60 years old. Conclusion A combined equation was developed for normal standards for VO(2)max for different exercise modes derived from a US national registry. The equation provided a lower average error between measured and predicted VO(2)max than traditional equations even when applied to an independent cohort. Additional studies are needed to determine its portability.
引用
收藏
页码:742 / 750
页数:9
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