Comments (1)
As you rightly point out, many of these values are unphysiological (obviously no one is breathing 1000% oxygen). These are often documentation errors. Common error patterns include:
- typos, e.g. entering 1000 when you meant to enter 100
- wrong unit of measurement, e.g. entering 1 (fraction) when you should have used 100 (percentage)
- wrong data field, e.g. entering oxygen flow in litres instead of FiO2
It can be quite laborious to figure this out. On an individual level, if you look at all related data fields around the same time (oxygen flow, tidal volume, minute volume, etc) you can usually figure it out quite quickly. Scaling this up to all patients in the form of an algorithm is a lot harder - even if it's a simple rule based approach! However, we'd welcome any efforts and contributions you may have on this front.
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