Fig. 2From: Effect of dementia on the incidence, short-term outcomes, and resource utilization of invasive mechanical ventilation in the elderly: a nationwide population-based studyTrends in in-hospital mortality in MV episodes of patients with and without dementia. The figure shows the changes observed over time in in-hospital mortality. Note that cases with dementia do not show the downward trend detected in the cases without dementia; rather, they feature a fluctuating trend over the period of studyBack to article page