Department of Clinical Science, Intervention, and Technology, Karolinska Institutet, Stockholm, Sweden.
Department of Clinical Sciences, Lund University, Lund, Sweden.
JAMA. 2021 Dec 28;326(24):2529-2530. doi: 10.1001/jama.2021.21199.
This study assesses rates of extremely preterm births (22-26 weeks’ gestation) and their outcomes by hospital level of care among all births registered in Sweden from 2014 to 2019.
本研究评估了 2014 年至 2019 年期间在瑞典注册的所有分娩中,按医院护理水平划分的极早产儿(22-26 周妊娠)及其结局的发生率。