Cervical and clinical information were collected by University of Alabama at Birmingham and provided to U Michigan; data were then combine with file that includes information on the shortest post-cerclage cervical measurement using a SAS code
This is the clinical data and vaginal measurement data U of Alabama provided. The column names are fairly self-explanatory. There was not an original data codebook associated with it. There has been some email exchanges to clarify several variables, which is recorded in the Word file "cerclage_owenscodebook.doc".
To Cite this Work:
PTB demographic and visit data [Data set]. University of Michigan - Deep Blue.
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