I have a math question about the method I use to calculate stats at my 
hospital. I work part time so I do not see every breastfeeding mother, but I do 
have access to the numbers that show our initiation rate.  Anyway, I will 
describe the math I do and if anyone has a diffferent way of doing it please let 
me know-you can email me privately. I saw 103 of the 162 breastfeeding 
mothers. Of ALL of the moms delivering at our hospital the initiation rate was 
73%. I like to record the exclusive breastfeeding rates at discharge, 3 days, 
and 3 weeks.  I only have data on the moms I work with and I want to 
compare to the initiation rate. For example, if I had 79 moms breastfeeding at 
discharge which would be: 
79/103(moms I saw)= 77%. To compare this number to the 73% initiation rate 
I multiplied 77% x 73% to get 56% breastfeeding at discharge.

I hope this all makes sense. Is this okay?  Is there a different way to do this?  
Our Quality Control Director did not understand how I came up with my 
numbers. I explained it to her and she understands now, but she asked how 
other hospitals do it. Thanks.

Christine Lichte, IBCLC

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