The Influence of Surgical Mask on Heart Rate, Muscle Saturation of Oxygen, and Hemoglobin during Whole-Body Vibration Exercise

Table 3

Sample descriptive and baseline variables analyzes with one-way ANOVA by mask use and by group intervention.

				Mean		SD
FC (ppm)		Total	47	75.8	±	13.9
	Mask use	No mask	20	75.3	±	14.2	0.08	0.780
		Mask	27	76.5	±	13.9
	Group intervention	A	15	74.2	±	15.1	0.20	0.822
		B	15	77.5	±	16.2
		C	17	75.8	±	11.2
SatO2 (%)		Total	47	62.2	±	11.4
	Mask use	No mask	20	62.7	±	11.6	0.11	0.740
		Mask	27	61.5	±	11.5
	Group intervention	A	15	64.1	±	12.4	2.09	0.136
		B	15	57.3	±	11.4
		C	17	64.8	±	9.6
O2Hb (g/dl)		Total	47	7.6	±	1.3
	Mask use	No mask	20	7.7	±	1.3	0.14	0.711
		Mask	27	7.5	±	1.3
	Group intervention	A	15	7.8	±	1.4	2.12	0.132
		B	15	7.1	±	1.4
		C	17	7.9	±	1.0
HHb (g/dl)		Total	47	4.6	±	1.4
	Mask use	No mask	20	4.6	±	1.4	0.11	0.740
		Mask	27	4.7	±	1.4
	Group intervention	A	15	4.4	±	1.5	1.971	0.151
		B	15	5.2	±	1.4
		C	17	4.3	±	1.2

HR: heart rate, SatO₂: muscle oxygen saturation, O₂Hb: oxyhemoglobin, HHb: deoxyhemoglobin, N: sample, F: ANOVA variation between sample means, : value, and SD: standard deviation.