To develop and validate a reference equation (RE) for prediction of VO2peak in Chinese adults and compare the equation cited by Wasserman, Edvardsen, Nevil and Itoh. we reviewed the data of 554 adults with treadmill Bruce protocol of CPET (breath by breath) from R+ clinic in Chengdu. Ultimately, 313 adults (aged from 20-59 years) including smokers, obese, were judged to have normal cardiorespiratory system without vascular disease (CVD), hypertension, diabetes and other chronic pulmonary disease based on case history, physical, electrocardiogram during rest and exercise, and exercise performance. The 313 sample was divided into 80% construction group (CG) and 20% validation group (VG) using a case random method. Oxygen consumption, Maximal heart rate (HRmax) and respiratory exchange ratio (RER) were collected in the state of exhaustion. The influence of potential confounding factors, such as age, sex, weight, height and BMI were analyzed for their influencing power at the RE. The equation was predicted by regression analyses. RE was also tested in the VG. Simultaneously, we compared measure VO2peak with predicted values calculated with four equations from Wasserman, Edvardsen, Nevil and Itoh. The line chart that predicted VO2max changes in BMI, height classification and measured among equations was plotted. The mean age and VO2max were 36.63±9.49 years and 32.82 ± 6.01 ml.kg-1.min-1, respectively. For model construction, two prediction equations with acceptable accuracy were developed (R2 = 0.67 - 0.71; SEE = 0.02028 - 0.02033). In VG, the difference was not significant between measured and predicted VO2peak from model 2 and model 1 (P > 0.05). However, difference came up between the average VO2peak predicted by cited equation and the CPET measured VO2peak, as well as the difference gotten from the RE (P < 0.001). RE presents VO2max values close to those directly measured by CPET, while Europe and America equations overestimated the VO2max. The predicted values of VO2max calculated from Itoh equation revealed a very good consistence among normal and low weight.
| Published in | American Journal of Life Sciences (Volume 9, Issue 6) |
| DOI | 10.11648/j.ajls.20210906.13 |
| Page(s) | 173-179 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
VO2peak, Equation, Chinese Adults
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APA Style
Li Chen, Runwen Qi, Wen Zhou, Xi Chen, Shaohong Zhang, et al. (2021). An Equation for the Prediction of Oxygen Consumption in Chinese Adults. American Journal of Life Sciences, 9(6), 173-179. https://doi.org/10.11648/j.ajls.20210906.13
ACS Style
Li Chen; Runwen Qi; Wen Zhou; Xi Chen; Shaohong Zhang, et al. An Equation for the Prediction of Oxygen Consumption in Chinese Adults. Am. J. Life Sci. 2021, 9(6), 173-179. doi: 10.11648/j.ajls.20210906.13
AMA Style
Li Chen, Runwen Qi, Wen Zhou, Xi Chen, Shaohong Zhang, et al. An Equation for the Prediction of Oxygen Consumption in Chinese Adults. Am J Life Sci. 2021;9(6):173-179. doi: 10.11648/j.ajls.20210906.13
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Download@article{10.11648/j.ajls.20210906.13,
author = {Li Chen and Runwen Qi and Wen Zhou and Xi Chen and Shaohong Zhang and Jiaming Ye and Zijun Ge and Sijing Ye and Chao Liu},
title = {An Equation for the Prediction of Oxygen Consumption in Chinese Adults},
journal = {American Journal of Life Sciences},
volume = {9},
number = {6},
pages = {173-179},
doi = {10.11648/j.ajls.20210906.13},
url = {https://doi.org/10.11648/j.ajls.20210906.13},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajls.20210906.13},
abstract = {To develop and validate a reference equation (RE) for prediction of VO2peak in Chinese adults and compare the equation cited by Wasserman, Edvardsen, Nevil and Itoh. we reviewed the data of 554 adults with treadmill Bruce protocol of CPET (breath by breath) from R+ clinic in Chengdu. Ultimately, 313 adults (aged from 20-59 years) including smokers, obese, were judged to have normal cardiorespiratory system without vascular disease (CVD), hypertension, diabetes and other chronic pulmonary disease based on case history, physical, electrocardiogram during rest and exercise, and exercise performance. The 313 sample was divided into 80% construction group (CG) and 20% validation group (VG) using a case random method. Oxygen consumption, Maximal heart rate (HRmax) and respiratory exchange ratio (RER) were collected in the state of exhaustion. The influence of potential confounding factors, such as age, sex, weight, height and BMI were analyzed for their influencing power at the RE. The equation was predicted by regression analyses. RE was also tested in the VG. Simultaneously, we compared measure VO2peak with predicted values calculated with four equations from Wasserman, Edvardsen, Nevil and Itoh. The line chart that predicted VO2max changes in BMI, height classification and measured among equations was plotted. The mean age and VO2max were 36.63±9.49 years and 32.82 ± 6.01 ml.kg-1.min-1, respectively. For model construction, two prediction equations with acceptable accuracy were developed (R2 = 0.67 - 0.71; SEE = 0.02028 - 0.02033). In VG, the difference was not significant between measured and predicted VO2peak from model 2 and model 1 (P > 0.05). However, difference came up between the average VO2peak predicted by cited equation and the CPET measured VO2peak, as well as the difference gotten from the RE (P 2max values close to those directly measured by CPET, while Europe and America equations overestimated the VO2max. The predicted values of VO2max calculated from Itoh equation revealed a very good consistence among normal and low weight.},
year = {2021}
}
TY - JOUR T1 - An Equation for the Prediction of Oxygen Consumption in Chinese Adults AU - Li Chen AU - Runwen Qi AU - Wen Zhou AU - Xi Chen AU - Shaohong Zhang AU - Jiaming Ye AU - Zijun Ge AU - Sijing Ye AU - Chao Liu Y1 - 2021/11/24 PY - 2021 N1 - https://doi.org/10.11648/j.ajls.20210906.13 DO - 10.11648/j.ajls.20210906.13 T2 - American Journal of Life Sciences JF - American Journal of Life Sciences JO - American Journal of Life Sciences SP - 173 EP - 179 PB - Science Publishing Group SN - 2328-5737 UR - https://doi.org/10.11648/j.ajls.20210906.13 AB - To develop and validate a reference equation (RE) for prediction of VO2peak in Chinese adults and compare the equation cited by Wasserman, Edvardsen, Nevil and Itoh. we reviewed the data of 554 adults with treadmill Bruce protocol of CPET (breath by breath) from R+ clinic in Chengdu. Ultimately, 313 adults (aged from 20-59 years) including smokers, obese, were judged to have normal cardiorespiratory system without vascular disease (CVD), hypertension, diabetes and other chronic pulmonary disease based on case history, physical, electrocardiogram during rest and exercise, and exercise performance. The 313 sample was divided into 80% construction group (CG) and 20% validation group (VG) using a case random method. Oxygen consumption, Maximal heart rate (HRmax) and respiratory exchange ratio (RER) were collected in the state of exhaustion. The influence of potential confounding factors, such as age, sex, weight, height and BMI were analyzed for their influencing power at the RE. The equation was predicted by regression analyses. RE was also tested in the VG. Simultaneously, we compared measure VO2peak with predicted values calculated with four equations from Wasserman, Edvardsen, Nevil and Itoh. The line chart that predicted VO2max changes in BMI, height classification and measured among equations was plotted. The mean age and VO2max were 36.63±9.49 years and 32.82 ± 6.01 ml.kg-1.min-1, respectively. For model construction, two prediction equations with acceptable accuracy were developed (R2 = 0.67 - 0.71; SEE = 0.02028 - 0.02033). In VG, the difference was not significant between measured and predicted VO2peak from model 2 and model 1 (P > 0.05). However, difference came up between the average VO2peak predicted by cited equation and the CPET measured VO2peak, as well as the difference gotten from the RE (P 2max values close to those directly measured by CPET, while Europe and America equations overestimated the VO2max. The predicted values of VO2max calculated from Itoh equation revealed a very good consistence among normal and low weight. VL - 9 IS - 6 ER -
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