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. 2023 Jan 16;37(5):3691–3700. doi: 10.1007/s00464-023-09874-2

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Fig. 8 — Color change (visual) comparison of parameter images at the ROI and color tiles visualizing the mean value of a parameter at the ROI via the original (= manufacturer’s) calculation vs. the optimized calculation using the PLS method for Oxygen Saturation (StO₂), Near-Infrared Perfusion Index (NIR-PI), Tissue Water Index (TWI) and Organ Hemoglobin Index (OHI)