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Table 1 Characteristics of infants who screened positive for MCADD

From: The first three years of screening for medium chain acyl-CoA dehydrogenase deficiency (MCADD) by newborn screening ontario

  N (percent) Median C8
(uM)
Mean C8
(uM)
Sex (n = 73)*    
   Male 40 (55) 0.55 3.65
   Female 33 (45) 1.40 5.18
Gestational age (n = 61)    
   < = 37 weeks 12 (20) 0.49 3.93
   > 37 weeks 49 (80) 0.75 4.09
Birthweight (n = 65)    
   < 2500 grams 10 (15) 0.49 4.70
   > = 2500 grams 55 (85) 0.62 3.70
Reported feeding status at time of screen (n = 63)    
   Breastfeeding 47 (75) 0.62 3.54
   Partial breastfeeding 6 (10) 0.71 3.87
   Formula or other (e.g., total parenteral nutrition) 10 (16) 0.94 5.98
  1. * Note: sample sizes differ for sub-sample analyses because of missing data on the blood spot requisition forms (n = 74, median C8 0.68 uM, mean C8 4.29 uM, range 0.33-30.41 uM)