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Bivariate distribution of Apgar scores at 1 and 5 minutes

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posted on 19.03.2017 by Daniel D Reidpath, Shamala D Karalasingam, Ravichandran Jeganathan, Julia Hussein, Pascale Allotey
A scatter-plot of 1 minute against 5 minute Apgar scores of 268,127 live, singleton, term births recorded in the Malaysian National Obstetrics Registry (NOR) for the years 2010-2012.  Each point represents a single birth.  Jitter (random noise) was introduced into the data to provide a better visual separation. The vertical line in the Figure highlights those neonates born with critically low Apgar score (<=3).  The strong visual, triangular effect shows that 1 minute Apgar scores tend to be distributed into 5 minute Apgar scores at least as good as the one minute scores.  It is also clear that the great majority of births have normal (>=7) 1 and 5 minute scores. p { margin-bottom: 0.1in; line-height: 120%; } 268,127, live, singleton, term births

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This work is part of a research collaboration between the South East Asia Community Observatory and the National Obstetrics Registry. Core funding for SEACO is provided by Monash University Australia and Monash University Malaysia

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