Fig. 2From: Not only COVID-19 disease impacts ambulance emergency demands but also lockdowns and quarantinesDifference in the percentage of cases between 2018–2019 (COVID-19-free years) and 2020. Panel a concerns respiratory distress or failure, b allergy (without anaphylactic shock), c intoxication without coma, and d trauma. Differences were evaluated using the X2 test and are highlighted as follows: p ≤ 0.05, ** p ≤ 0.01, *** p ≤ 0.001Back to article page