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The Accuracy of Wrist-Worn Photoplethysmogram–Measured Heart and Respiratory Rates in Abdominal Surgery Patients: Observational Prospective Clinical Validation Study

The Accuracy of Wrist-Worn Photoplethysmogram–Measured Heart and Respiratory Rates in Abdominal Surgery Patients: Observational Prospective Clinical Validation Study

In total, 68 postsurgical patients were enrolled, of whom 6 were excluded from HR analysis due to either unavailable ECG reference (n=2) or a recording length of less than 15 minutes (n=4). For RR analysis, 14 patients were excluded from further analysis due to either lack of sufficient quality capnography reference data (n=9) or insufficient recording length (n=5) (Figure 1). The characteristics of the included population are shown in (Table 1).

Jonna A van der Stam, Eveline H J Mestrom, Jai Scheerhoorn, Fleur E N B Jacobs, Simon Nienhuijs, Arjen-Kars Boer, Natal A W van Riel, Helma M de Morree, Alberto G Bonomi, Volkher Scharnhorst, R Arthur Bouwman

JMIR Perioper Med 2023;6:e40474