PreMo: A Clinical and Vital Sign Dataset of Very-Low-Birth Weight Infants from 4 Neonatal Intensive Care Units

<h1 id="premo">PreMo</h1>
<p>Deidentified export of vital signs and REDCap clinical data for the PreMo 4-NICU study of very low birth weight infants</p>
<p>Please additionally cite the corresponding manuscript</p>

<p>Vital signs, demographics, and clinical events for low-birth-weight infants from four intensive care units</p>
<p>Ian German Mesner, Doug E. Lake, Sherry L. Kausch, Katy N Krahn, Angela Gummadi, Timothy W. Clark, Justin C. Niestroy, Rakesh Sahni, Zachary A. Vesoulis, David B. Gootenberg, N. Ambalavanan, Colm P. Travers, Karen D. Fairchild, Brynne A. Sullivan</p>
<p>medRxiv 2026.04.15.26350178; doi: https://doi.org/10.64898/2026.04.15.26350178</p>
<h2 id="contents">Contents</h2>
<ul>
<li>redcap: Folder for REDCap form exports
<ul>
<li>'redcap.Demographic and Perinatal data.parquet': Demographic data</li>
<li>'redcap.Discharge & Outcomes data.parquet'</li>
<li>'redcap.Intubation eval data.parquet'</li>
<li>'redcap.Sepsis or NEC eval data.parquet'</li>
<li>redcap.metadata.parquet: RedCAP metadata describing columns</li>
<li>redcap.premo_deid.xlsx: parquet files exported as MS Excel workbook</li>
</ul>
</li>
<li>vitals: Folder for 0.2hz - 1hz heart rate and SP02 vital signs for 3829 patients
<ul>
<li>XXXXXXX.parquet, where XXXXXXX indicates the subject_number_deid deidentified REDCap patient identifier</li>
</ul>
</li>
<li>scripts: Folder for example scripts plotting the data, generating the gtsummary table, and generating the ro-crate
<ul>
<li>condense_crate.py: condense the generated ro-crate</li>
<li>generate_redcap_metadata.py: generate ro-crate</li>
<li>gtsummary_table.R: generate gtsummary table (without vitals coverage)</li>
<li>plot_patient_segment.m: plot patient segment in matlab</li>
<li>plot_patient_segment.py: plot patient segment in python using neurokit2 and matplotlib</li>
</ul>
</li>
<li>ro-crate-metadata.json: ro-crate metadata</li>
<li>ro-crate-preview.html: generated ro-crate webpage</li>
<li>ro-crate-prov-graph.html: generated ro-crate provenance graph webpage</li>
<li>ro-crate-prov-graph.json: generated ro-crate provenance graph json data</li>
</ul>
<h2 id="fairscape">Fairscape</h2>
<p>This dataset is loaded into Fairscape at https://fairscape.net</p>
<h2 id="deidentification-notes">Deidentification notes</h2>
<ul>
<li>All dates have been converted to ages and stored as parquet durations (for redcap files) or integer based timestamps (for vitals files).</li>
<li>REDCap subject_numbers have been deidentified to subject_numbers_deid</li>
<li>Site names were removed.</li>
</ul>