<strong>Background:</strong><span><span><span style="font-family:""><span style="font-family:Verdana;"> Different gestational </span><span style=&q...<strong>Background:</strong><span><span><span style="font-family:""><span style="font-family:Verdana;"> Different gestational </span><span style="font-family:Verdana;">age specific</span> <span style="font-family:Verdana;">birthweight</span><span style="font-family:Verdana;"> reference charts have been produced for different populations and ethnic groups over different </span><span style="font-family:Verdana;">time periods</span><span style="font-family:Verdana;">, mostly based on birthweight data. This study aims to update birthweight references for Hong Kong (HK) Chinese newborns to provide norms for identification of </span><a name="_Hlk11503682"></a><span style="font-family:Verdana;">small and large for gestational age (SGA and LGA) fetuses, and to verify whether there are significant differences compared to previously published local reference charts, as well as to other southern Chinese </span><span style="font-family:Verdana;">and international</span><span style="font-family:Verdana;"> data. </span><b><span style="font-family:Verdana;">Methods:</span></b><span style="font-family:Verdana;"> All singleton Chinese livebirths deliv</span><span style="font-family:Verdana;">ered in United Christian Hospital from 2012 to 2017 were retrospectively included. The smoothed birthweight centiles at each gestation were computed. The birthweight centiles were then compared with other reference charts.</span></span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><b><span style="font-family:Verdana;">Results:</span></b></span></span><span><span><span style="font-family:""><span style="font-family:Verdana;"> A total of 25,508 </span><span style="font-family:Verdana;">livebirths</span><span style="font-family:Verdana;"> between 24 and 42 completed weeks of gestation were enrolled in the final analysis. The mean birthweights of our cohort were largely similar to previous studies at each gestation, but the 10th and 90th centile ra展开更多
文摘<strong>Background:</strong><span><span><span style="font-family:""><span style="font-family:Verdana;"> Different gestational </span><span style="font-family:Verdana;">age specific</span> <span style="font-family:Verdana;">birthweight</span><span style="font-family:Verdana;"> reference charts have been produced for different populations and ethnic groups over different </span><span style="font-family:Verdana;">time periods</span><span style="font-family:Verdana;">, mostly based on birthweight data. This study aims to update birthweight references for Hong Kong (HK) Chinese newborns to provide norms for identification of </span><a name="_Hlk11503682"></a><span style="font-family:Verdana;">small and large for gestational age (SGA and LGA) fetuses, and to verify whether there are significant differences compared to previously published local reference charts, as well as to other southern Chinese </span><span style="font-family:Verdana;">and international</span><span style="font-family:Verdana;"> data. </span><b><span style="font-family:Verdana;">Methods:</span></b><span style="font-family:Verdana;"> All singleton Chinese livebirths deliv</span><span style="font-family:Verdana;">ered in United Christian Hospital from 2012 to 2017 were retrospectively included. The smoothed birthweight centiles at each gestation were computed. The birthweight centiles were then compared with other reference charts.</span></span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><b><span style="font-family:Verdana;">Results:</span></b></span></span><span><span><span style="font-family:""><span style="font-family:Verdana;"> A total of 25,508 </span><span style="font-family:Verdana;">livebirths</span><span style="font-family:Verdana;"> between 24 and 42 completed weeks of gestation were enrolled in the final analysis. The mean birthweights of our cohort were largely similar to previous studies at each gestation, but the 10th and 90th centile ra
