Motion effects on SpO2

Degree of desaturation	Usual walking	Walking while trying not to move the finger and the probe	Walking using the new device	Walking on the treadmill
2%>dSpO2>4%	32.9±51.3	67.2±78.9	39.6±73.2	16.5±33.2
4%>dSpO2>6%	13.2±39.6	14.5±38.0	0	0
6%>dSpO2	3.5±10.5	9.0±27.0	0	0