Masimo Stork - Accuracy Specifications

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Accuracy (ARMS*)
Oxygen Level (SpO
2
)
Range 70% to 100%
No Motion [1] Pediatrics 2%
Neonates 3%
Motion [2] Pediatrics, Neonates 3%
Low perfusion [3] Pediatrics 2%
Neonates 3%
Pulse Rate (PR)
Range 25 bpm to 240 bpm
No motion Pediatrics, Neonates 3 bpm
Motion Pediatrics, Neonates 5 bpm
Low Perfusion [4] Pediatrics, Neonates 3 bpm
* A
RMS
accuracy is a statistical calculation of the difference between device measurements and reference
measurements. Approximately two-thirds of the device measurements fell within +/- A
RMS
of the reference
measurements in a controlled study.
Oxygen Level (SpO2) ARMS Performance Specifications
The tables below provides A
RMS
(Accuracy Root Mean Square) values measured using the Masimo
Sensor (Radius PPG) under no motion, with Masimo Technology in a clinical study.
Measurement A
RMS
Values for Radius PPG Sensors
SpO
2
Accuracy Range (%) ARMS (%)
90-100 1.14
80-90 1.29
70-80 1.41
70-100 1.33