Table 3.

Normal Values for Selected MIGET Derived Parameters of ${\dot{V}}_{\text{A}}/\dot{Q}$ Heterogeneity

Variable	Normal range
Fractional dead space	0.20–0.40
Shunt fraction	<0.01
Mean of Q	0.80–1.00
LogSD, Q	0.30–0.60
Mean of V	0.80–1.00
LogSD, V	0.30–0.65

Reused, with permission, from Hopkins SR and Wagner PD. 2017 (160).