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Neonatal Med > Volume 23(4); 2016 > Article
Neonatal Medicine 2016;23(4):211-217.
DOI:    Published online November 30, 2016.
Comparisons of Clinical Characteristics Affecting Readmission between Late Preterm Infants and Moderate Preterm Infants or Full-Term Infants.
Jae Seok Shin, Yu Bin Kim, Yong Hee Lee, Gyu Hong Shim, Myoung Jae Chey
Department of Pediatrics, Inje University Sanggye Paik Hospital, Seoul, Korea.
We aimed to describe the differences in clinical characteristics that affect readmission between late and moderate preterm or full-term infants.
Medical records were reviewed for 881 patients with gestational ages of ≥31⁺⁰ weeks who were born at Inje University Sanggye Paik Hospital between1 January 2013 and 20 September 2015. The patients were categorized into three subgroups as follows moderate preterm infants: those born at 31-33 weeks' gestation (n=73), late preterm infants: those born at 34–36 weeks' gestation (n=169),and full-term infants: those born at ≥37 weeks' gestation (n=639). We compared the late and moderate preterm or full-term infants in terms of clinical characteristics that affect readmission.
The readmission rate was 18.9% in the late preterm infants, 21.9% in the moderate preterm infants, and 16.7% in the full-term infants. The independent risk factors of readmission were gestational age in the late preterm infants, positive pressure ventilation at birth in the moderate preterm infants, and air-leak syndrome in the full-term infants. In addition, antenatal care at the first trimester of pregnancy was an independent protective factor against readmission in the full-term infants.
Our results suggest that gestational age may affect the readmission rate of late preterm infants.
Key Words: Preterm infants, Hospital readmission, Gestational age


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