Møller S, Wissenberg M, Starkopf L, et al. - Since there is a lack of knowledge regarding the impact of patient socioeconomic factors on interventions and survival following out-of-hospital cardiac arrest (OHCA), and it is unknown if a socioeconomic impact on bystander interventions influences survival, therefore, researchers herein assessed patient socioeconomic differences in prehospital factors as well as survival. They used the Danish Cardiac Arrest Registry. This analysis involved 21,480 patients with OHCA ≥ 30 years and were split into quartiles of household income (highest, high, low, lowest). Younger age, higher education and less comorbidity were noted in highest income patients vs lowest income patients. They were found to have higher odds for bystander cardiopulmonary resuscitation with the biggest disparity in private unwitnessed arrests. Overall, findings revealed a correlation of lower socioeconomic status with poorer prehospital factors and survival post-OHCA that was not explained by patient or cardiac arrest-associated factors.