Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page


My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2021 2
2022 2
2023 1
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

5 results

Results by year

Filters applied: . Clear all
Page 1
Machine Learning Models to Predict In-Hospital Mortality among Inpatients with COVID-19: Underestimation and Overestimation Bias Analysis in Subgroup Populations.
Zarei J, Jamshidnezhad A, Haddadzadeh Shoushtari M, Mohammad Hadianfard A, Cheraghi M, Sheikhtaheri A. Zarei J, et al. Among authors: mohammad hadianfard a. J Healthc Eng. 2022 Jun 23;2022:1644910. doi: 10.1155/2022/1644910. eCollection 2022. J Healthc Eng. 2022. PMID: 35756093 Free PMC article.