Connecting two worlds: positive correlation between physicochemical approach with blood gases and pH in pediatric ICU setting

Table 2 Pearson correlation between the measured pH and various acid–base parameters

	Whole cohort (n = 1338 samples) R (sig 2-tailed)	Metabolic subgroup (n = 743 samples) R (sig 2-tailed)
SID	0.230 (< 0.001)	0.455 (< 0.001)
SIDa	0.227 (< 0.001)	0.446 (< 0.001)
SIDe	0.398 (< 0.001)	0.685 (< 0.001)
SIG	− 0.245 (< 0.001)	− 0.452 (< 0.001)
Na–Cl gap	0.247 (< 0.001)	0.473 (< 0.001)
SBE	0.526 (< 0.001)	0.763 (< 0.001)
Arterial lactate	− 0.210 (< 0.001)	− 0.292 (< 0.001)
Serum HCO₃⁻	0.413 (< 0.001)	0.749 (< 0.001)
Serum Cl⁻	− 0.170 (< 0.001)	− 0.303 (< 0.001)

ISSN: 1756-0500