Postresuscitation disease is characterized by post-insult systemic inflammation, adrenal insufficiency, and circulatory failure. Such severe pathology may be associated with increased susceptibility to infectious complications and increased risk of death due to postresuscitation septic shock. The latter may be attenuated by stress-dose steroids. In this re-analysis of synthesized randomized clinical trial (RCT) data, the investigators will use individual patient data from two prior RCTs of in-hospital cardiac arrest (NCT00411879 & NCT00729794), in order to determine the effect of stress-dose steroids on the severity of postresuscitation infectious complications, and more specifically, on the risk of septic shock-associated death.