. 2020 Jun 15;12(1):20–26. doi: 10.1055/s-0040-1713061

Table 5. Deming regression analysis between instruments.

	Parameter	Co-eff	Std. error	95% CI	Regression equation
Na ⁺	Intercept	52.0	8.11	35.89–68.11	Venous Na ⁺ = 0.63*Arterial Na ⁺ + 52.0
Na ⁺	Slope	0.63	0.06	0.51–0.75	Venous Na ⁺ = 0.63*Arterial Na ⁺ + 52.0
K ⁺	Intercept	0.54	0.55	–0.56–1.64	Venous K ⁺ = 0.90*Arterial K ⁺ + 0.54
K ⁺	Slope	0.90	0.12	0.64–1.15	Venous K ⁺ = 0.90*Arterial K ⁺ + 0.54
Cl ^–	Intercept	31.33	12.01	7.49–55.18	Venous Cl ^– = 0.67*Arterial Cl ^– + 31.33
Cl ^–	Slope	0.67	0.11	0.44–0.89	Venous Cl ^– = 0.67*Arterial Cl ^– + 31.33