Background The overall global impact of COVID-19 in children and regional variability in pediatric outcomes are presently unknown. Methods To evaluate the magnitude of global COVID-19 death and intensive care unit (ICU) admission in children aged 0–19 years, a systematic review was conducted for articles and national reports as of December 7, 2020. This systematic review is registered with PROSPERO (registration number: CRD42020179696). Results We reviewed 16,027 articles as well as 225 national reports from 216 countries. Among the 3,788 global pediatric COVID-19 deaths, 3,394 (91.5%) deaths were reported from low- and middle-income countries (LMIC), while 83.5% of pediatric population from all included countries were from LMIC. The pediatric deaths/1,000,000 children and case fatality rate (CFR) were significantly higher in LMIC than in high-income countries (HIC) (2.77 in LMIC vs 1.32 in HIC; p < 0.001 and 0.24% in LMIC vs 0.01% in HIC; p < 0.001, respectively). The ICU admission/1,000,000 children was 18.80 and 1.48 in HIC and LMIC, respectively (p < 0.001). The highest deaths/1,000,000 children and CFR were in infants < 1 year old (10.03 and 0.58% in the world, 5.39 and 0.07% in HIC and 10.98 and 1.30% in LMIC, respectively). Conclusions The study highlights that there may be a larger impact of pediatric COVID-19 fatality in LMICs compared to HICs.

Background The R2C2, a 4-phase feedback and coaching model, builds relationships, explores reactions, determines content and coaches for change, and facilitates formal feedback conversations between clinical supervisors/preceptors and residents. Formal discussions about performance are typically based on collated information from daily encounter sheets, objective structured clinical examinations, multisource feedback, and other data. This model has not been studied in settings where brief feedback and coaching conversations occur immediately after a specific clinical experience. Objective We explored how supervisors adapt the R2C2 model for in-the-moment feedback and coaching and developed a guide for its use in this context. Methods Eleven purposefully selected supervisors were interviewed in 2018 to explore where they used the R2C2 model, how they adapted it for in-the-moment conversations, and phrases used corresponding to each phase that could guide design of a new R2C2 in-the-moment model. Results Participants readily adapted the model to varied feedback situations; each of the 4 phases were relevant for conversations. Phase-specific phrases that could enable effective coaching conversations in a limited amount of time were identified. Data facilitated a revision of the original R2C2 model for in-the-moment feedback and coaching conversations and design of an accompanying trifold brochure to enable its effective use. Conclusions The R2C2 in-the-moment model offers a systematic approach to feedback and coaching that builds on the original model, yet addresses time constraints and the need for an iterative conversation between the reaction and content phases. The model enables supervisors to coach and co-create an action plan with residents to improve performance.