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. 2017 Aug 3;12(8):e0182351. doi: 10.1371/journal.pone.0182351

Fig 4. Patient enrollment.

Fig 4

Muscle oxygenation (MOx) was measured from spectra acquired from patients. Q-residuals measure the similarity between patient spectra and the spectra that were used to train the algorithm that measures MOx. High Q-residuals (> 95% confidence interval) indicate a level of dissimilarity that renders MOx measurements invalid. MOx from 51 subjects was included in the final data set analyzed.