Utility of Pulse Oximetry Oxygen Saturation (SpO₂) with Incorporation of Positive End-Expiratory Pressure (SpO₂10/FiO₂PEEP) for Classification and Prognostication of Patients with Acute Respiratory Distress Syndrome

Table 2

Correlation between P/FP10 and S/FP10 at various time points and at high PEEP.

Time points	Pearson correlation coefficient (r) between P/F and S/F	value	Pearson correlation coefficient (r) between P/FP10 and S/FP10	value
All enrolled patients
Baseline (n = 85)	0.660	<0.001	0.831	<0.001
Day 1 (n = 85)	0.580	<0.001	0.733	<0.001
Day 3 (n = 79)	0.766	<0.001	0.853	<0.001
Values with PEEP ≥10 cm H2O
Baseline (n = 39)	0.634	<0.001	0.687	<0.001
Day 1 (n = 26)	0.625	0.001	0.726	<0.001
Day 3 (n = 31)	0.851	<0.001	0.881	<0.001