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. 2014 Jan 28;9(1):e87280. doi: 10.1371/journal.pone.0087280

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© 2014 Vagedes et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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a. Bivariate fit of observed and predicted desaturations per hour with Group 1 as training set. Group 1 has been used as training set to generate the different exponents c for the formula. For group 2 (test set) predicted desaturations have been calculated (based on the exponents of group 1). The predicted desaturations (Npred/h) for Group 2 are plotted against the observed desaturations (Nobs/h) of Group 2. The concordance correlation coefficient was 0.997 b. Bivariate fit of observed and predicted desaturations per hour with Group 2 as training set. Group 2 has been used as training and Group 1 as test set. The predicted desaturations (Npred/h) for Group 1 are plotted against the observed desaturations (Nobs/h) of Group 1. The concordance correlation coefficient was 0.998