Incomplete Extraction of Neonatal Blood Pressure and Oxygen Saturation Data - MIMIC III
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Description
Hello @alistairewj!
I extracted vital signs data (blood pressure, heart rate, oxygen saturation, respiratory rate, and temperature) for neonatal patients. Initially, I extracted the IDs of vital signs from the CHARTEVENTS table. Then, I calculated the ages of neonatal patients and applied a filter to select those aged less than one year. Subsequently, I extracted the vital signs data into five separate CSV files, one for each vital sign. However, upon inspection, I noticed that the CSV files for blood pressure and oxygen saturation are empty, while the other vital sign data appears to be intact.
For age calculation, I employed the formula: admittime - dob. Neonates are typically identified as having an age of less than 1 year. This often results in an age of 0 days, as they are admitted immediately after birth.
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Research direction
Review the CHARTEVENTS item-ID selection and the age filter used before writing the blood-pressure and oxygen-saturation CSVs. Compare those selections with the other vital-sign extracts; done means both CSVs contain the expected neonatal records and the extraction remains consistent.
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Assessment
- Domain
- databases
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100