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Fig 7 | Patient Safety in Surgery

Fig 7

From: Assessing clarity and erasability of commercially available pens for surgical site marking: a comparative study in human volunteers

Fig 7

Demonstrate the relationship between the observer data and the grayscale data comparing the PREP parameter from the grayscale data (0–1) to the synonymous change in percentage clarity parameter from the observer data (1–100 %) for the upper and lower limb sites respectively. The unity line represents complete agreement between the two sets of data

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