Fig. 7
From: Experimental validation of a portable tidal volume indicator for bag valve mask ventilation
Bland-Altmann plots stratified by inspiratory time (1.0, 0.5, and 2.0 s, respectively; solid line indicates bias measurement; dotted lines with gray shading indicate the 95% limits of agreement; VT Difference calculated as VT Difference = (BENGI VT – computer VT) / average VT)