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Date: | Tue, 19 Jul 2005 08:19:20 -0400 |
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Since we have scales that are accurate to 0.1 oz and have the time to watch a full feeding and my
nutrition background included courses in anthropometric measurements and I've spent a lot of
time training health workers in third world countries - I feel confident in my use of the scale as I
do in my colleagues at work.
Having watched lots of measurments in my pediatrician's office (whom I adore for his medical
advice), including the HemoCue stick test for anemia - I can make lists of the errors in how
measurements are taken and how they would affect the interpretation of results. I've seen similar
errors in other pediatrician's offices. Measurement error (including systematic bias) is always
something must consider when multiple observers and multiple instruments are used.
Watching the baby is a double-edged sword. Sometimes it not just the possibility that the baby is
fine despite a weight that doesn't conform to a cutoff, but the opposite. Right now we have one of
these cases in our support group. All the measurements are borderline normal. The baby looks
worse and worse despite what appears to be a reasonable intake and a borderline adequate weight
gain. I'm trusting my visual observations on this one. It may not be a breastfeeding issue, but
this baby is not doing well. The weight is just one of many useful indicators that I would always
include in an array of many observations.
Best regards, SUsan
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