Fig. 4

Comparison of the proportion of hypoventilation (), adequate ventilation (
) and hyperventilation (
)between conventional manual ventilation and guided ventilation with VFD in the BLS and ALS groups (n = 40 participant
Comparison of the proportion of hypoventilation (), adequate ventilation (
) and hyperventilation (
)between conventional manual ventilation and guided ventilation with VFD in the BLS and ALS groups (n = 40 participant