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- Title
Breath-by-breath pulmonary O<sub>2</sub> uptake kinetics: effect of data processing on confidence in estimating model parameters.
- Authors
Keir, Daniel A.; Murias, Juan M.; Paterson, Donald H.; Kowalchuk, John M.
- Abstract
New Findings What is the central question of this study? In groups of young and older adults, we investigated whether techniques used as common practice for processing breath-by-breath pulmonary O2 uptake data from repeated step transitions in work rate into the moderate-intensity exercise domain influence the model parameter estimations and confidence of describing the phase II pulmonary O2 uptake response., What is the main finding and its importance? Results demonstrate that regardless of age group, during transitions into the moderate-intensity exercise domain, techniques for processing individual transitions did not affect parameter estimates describing the phase II pulmonary O2 uptake response; however, the confidence in the parameter estimation could be improved by the technique used to process individual trials., Abstract To improve the signal-to-noise ratio of breath-by-breath pulmonary O2 uptake (
- Subjects
PULMONARY artery diseases; COMPUTER simulation of signal-to-noise ratio; INFORMATION measurement; INTERPOLATION; PULMONARY circulation; PULMONARY heart disease; GENETICS
- Publication
Experimental Physiology, 2014, Vol 99, Issue 11, p1511
- ISSN
0958-0670
- Publication type
Article
- DOI
10.1113/expphysiol.2014.080812