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Table 2 AUC obtained for each tested method for identifying pre-exacerbation periods. AUC are presented as mean ± standard deviation

From: Detection of COPD exacerbations with continuous monitoring of breathing rate and inspiratory amplitude under oxygen therapy

Method

Minimum atypical days in the tested period

1

2

3

4

Mean breathing rate

0.563 ± 0.035

0.527 ± 0.040

0.490 ± 0.033

0.492 ± 0.045

Mean inspiratory amplitude

0.520 ± 0.034

0.598 ± 0.033

0.494 ± 0.025

0.448 ± 0.038

Mean rate and amplitude

0.562 ± 0.030

0.611 ± 0.031

0.533 ± 0.026

0.448 ± 0.032

Wasserstein barycenter

0.554 ± 0.039

0.616 ± 0.033

0.535 ± 0.029

0.463 ± 0.027

Hidden Markov Model

0.650 ± 0.044

0.668 ± 0.029

0.523 ± 0.023

0.494 ± 0.025

Daily usage

0.664 ± 0.032

0.642 ± 0.045

0.526 ± 0.037

0.478 ± 0.042

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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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