Comparison of Care Practices, Mortality and Morbidity of Very Preterm Infants Between Two Tertiary Centers in Northwest and South of China

This retrospective cohort study was conducted in two hospitals,Qinghai Red Cross Hospital and Jinan University affiliated Shenzhen Baoan Women's and Children's Hospital.Very premature infants born with a gestational age between 22+0 - 31+6 weeks admitted to both centers during 3 years from January 1, 2018 to December 31, 2020 were studied. In both centers, data including maternal characteristics, neonatal characteristics, obstetric practices, delivery room practices, and neonatal outcomes, were collected by data abstractors in each NICU. Anonymous data was transferred to Shenzhen and analyses were performed at the newborn center of SZH.