Published on in Vol 23, No 5 (2021): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/27142, first published
.
![Minimizing Selection and Classification Biases. Comment on “Clinical Characteristics and Prognostic Factors for Intensive Care Unit Admission of Patients With COVID-19: Retrospective Study Using Machine Learning and Natural Language Processing” Minimizing Selection and Classification Biases. Comment on “Clinical Characteristics and Prognostic Factors for Intensive Care Unit Admission of Patients With COVID-19: Retrospective Study Using Machine Learning and Natural Language Processing”](https://asset.jmir.pub/assets/098d796144b887c0ca03c7af57abdc25.png 480w,https://asset.jmir.pub/assets/098d796144b887c0ca03c7af57abdc25.png 960w,https://asset.jmir.pub/assets/098d796144b887c0ca03c7af57abdc25.png 1920w,https://asset.jmir.pub/assets/098d796144b887c0ca03c7af57abdc25.png 2500w)
1 Department of Internal Medicine, Hospital Costa del Sol, Marbella, Spain
2 Internal Medicine Department, Hospital Regional de Málaga, Málaga, Spain
3 Internal Medicine Department, Infanta Cristina University Hospital, Parla (Madrid), Spain