Table 3.

MANOVA: 2 (group) × 5 (percent O₂) × 2 (time) for SpO₂ and pulse rate.

Effect	Test statistic	Degrees of freedom	F	p	η2
Group main effect	Wilks’ λ = 0.880	2, 69	14.85	<0.01	0.123
Percent O2 main effect	Wilks’ λ = 0.079	8, 63	91.71	<0.01	0.921
Time main effect	Wilks’ λ = 0.152	8, 69	192.96	<0.01	0.848
Group by percent O2 interaction effect	Wilks’ λ = 0.820	8, 63	1.73	0.11	0.180
Group by time interaction effect	Wilks’ λ = 0.859	8, 69	5.66	<0.01	0.141
Percent O2 by time interaction effect	Wilks’ λ = 0.104	8, 63	67.51	<0.01	0.896
Group by percent O2 by time interaction effect	Wilks’ λ = 0.667	8, 63	9.94	<0.01	0.333