Fig. 4From: Impact of the COVID-19 pandemic on the epidemiology of out-of-hospital cardiac arrest: a systematic review and meta-analysisBox plots stratifying estimates for Pre-Covid-19 and COVID-19 time periods for A Annual OHCA Incidence. B Case Fatality Rate. Two-proportion z-tests were statistically significant (p < 0.001) for both outcomes, as represented by asterisks (*). COVID-19 coronavirus disease 2019, OHCA out-of-hospital cardiac arrestBack to article page