Zeroes in "valuenum"
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Description
Hi everyone!
I'm working with the MIMIC-IV database and I need to do some missing data handling. To do so, I'm checking if a 0 value means something in the database or I can put a 0 to identify the missing values for my neural network. I found out that in some items there is a valuenum=0, for instance, in heart rate and respiratory rate. Does this mean that the patient died? So this 0 values must be the last values registered for the patient? If so, I'll need to find another imputation method, because putting a 0 already means something in the database.
I don't know if I made myself clear, but thank you in advance!
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Research direction
No repository file, test, or entry point is named. First consult the MIMIC-IV schema and data documentation for valuenum in heart-rate and respiratory-rate items; done would require an authoritative explanation of whether zero is valid and how missing values should be represented.
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Assessment
- Domain
- databases
- Issue type
- Documentation
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 15/100