Table 4.

Changes in SpO₂ and arterial blood gas values at the initial and 24th hour.

	APP (n = 25)	non-APP (n = 23)	p	Cohen's d
	Median (IQR)	Median (IQR)
SpO2 (%)	5 (0.5/10)	-1 (-54/5)	0.016	0.74
pH	0 (-0.025/0.045)	-0.05 (0/-0.19)	0.002	0.051
PaCO2	-1 (-4.5/4)	4 (-1/14)	0.007	0.086
PaO2	16 (5.5/31.5)	-1 (-14/7)	<0.001	1.14

SpO₂, Saturation Pulse Oxygen; P/F:PaO₂/FiO₂, Partial Oxygen Pressure/Fraction of Inspired Oxygen; PaO₂, Partial Oxygen Pressure; PaCO₂, Partial Carbon Dyoxid Pressure.

*Plus–minus values are median (IQR). Cohen’s d ≥ 0.50 practically/clinically significant p: Mann Whitney U Test.