an increasing trendp = 0.005
At the same time, there was an increasing trend in the respiratory complications associated with achalasia, such as aspiration pneumonitis or pneumonia, from 2011 to 2022 (APC: 5.7%, 95% CI: 1.7%–9.8%, p = 0.005) and respiratory failure from 2018 to 2022 (APC: 25.8%, 95% CI: 15.1%–50.9%, p < 0.001) (Table 3 ; Figure 3 ).