Miguel Hernán (@_miguelhernan) 's Twitter Profile
Miguel Hernán

@_miguelhernan

Using health data to learn what works.
Making #causalinference less casual.

Director @CAUSALab | Professor @HarvardChanSPH | Methods Editor @AnnalsofIM

ID: 3433516535

linkhttps://miguelhernan.org/ calendar_today20-08-2015 23:54:56

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Miguel Hernán (@_miguelhernan) 's Twitter Profile Photo
Miguel Hernán
@_miguelhernan

7 months ago

1/ That "immortal time" is so frequent in survival analyses for #causalinference is fascinating. Because "immortal time" doesn't exist in the data, *we* create it when misanalyzing data. Our paper pubmed.ncbi.nlm.nih.gov/39494894/ summarizes why immortal time arises & how to prevent it.

1/ That "immortal time" is so frequent in survival analyses for #causalinference is fascinating. Because "immortal time" doesn't exist in the data, *we* create it when misanalyzing data. Our paper pubmed.ncbi.nlm.nih.gov/39494894/ summarizes why immortal time arises & how to prevent it.