| Title: | Hospital Readmission Data for Patients with Diabetes | 
| Version: | 0.1.0 | 
| Description: | Clinical care data from 130 U.S. hospitals in the years 1999-2008 adapted from the study Strack et al. (2014) <doi:10.1155/2014/781670>. Each row describes an "encounter" with a patient with diabetes, including variables on demographics, medications, patient history, diagnostics, payment, and readmission. | 
| License: | MIT + file LICENSE | 
| Suggests: | knitr | 
| Config/testthat/edition: | 3 | 
| Encoding: | UTF-8 | 
| RoxygenNote: | 7.2.3 | 
| Depends: | R (≥ 2.10) | 
| LazyData: | true | 
| NeedsCompilation: | no | 
| Packaged: | 2023-12-07 14:40:43 UTC; simoncouch | 
| Author: | Simon Couch [aut, cre] | 
| Maintainer: | Simon Couch <simonpatrickcouch@gmail.com> | 
| Repository: | CRAN | 
| Date/Publication: | 2023-12-07 16:20:05 UTC | 
Hospital Readmission Data for Patients with Diabetes
Description
Clinical care data from 130 U.S. hospitals in years 1999-2008. Each row describes an "encounter" with a patient with diabetes, including variables on demographics, medications, patient history, diagnostics, payment, and readmission.
Usage
readmission
Format
A data frame with 71,515 rows and 12 columns:
- readmitted
- Whether the patient was readmitted within the 30 days following discharge. A factor with levels - "Yes"and- "No".
- race
- Reported race of the patient. Source data does not document data collection strategy. A factor with levels - "African American",- "Asian",- "Caucasian",- "Hispanic",- "Other", and- "Unknown".
- sex
- Reported sex of the patient. Source data does not document data collection strategy. A factor with levels - "Female"and- "Male".
- age
- Age range for the patient, binned in 10-year intervals. A factor with levels - "[0-10)",- "[10-20)",- "[20-30)",- "[30-40)",- "[40-50)",- "[50-60)",- "[60-70)",- "[70-80)",- "[80-90)", and- "[90-100)".
- admission_source
- Whether the patient was referred from a physician, admitted via the ER, or arrived via some other source. A factor with levels - "Emergency",- "Other", and- "Referral".
- blood_glucose
- Results from an A1C test, estimating the patient's average blood sugar over the past 2-3 months. Higher estimated average blood glucose levels are linked to diabetes complications. A factor with levels - "Normal",- "High", and- "Very High", and many missing values.
- insurer
- The health insurance provider (or lack thereof, via - "Self-Pay") for the patient. A factor with levels- "Medicaid",- "Medicare",- "Private", and- "Self-Pay", and many missing values.
- duration
- Number of days in the hospital between admission and discharge. 
- n_previous_visits
- Number of emergency, inpatient, and outpatient visits in the year preceding the encounter. 
- n_diagnoses
- "Number of diagnoses entered to the system" during the encounter. 
- n_procedures
- "Number of procedures (other than lab tests) performed" during the encounter. 
- n_medications
- "Number of distinct generic names administered" during the encounter. 
Source
Original source data from the following paper (CC BY 3.0):
Strack, B., DeShazo, J. P., Gennings, C., Olmo, J. L., Ventura, S., Cios, K. J., & Clore, J. N. 2014. Impact of HbA1c measurement on hospital readmission rates: analysis of 70,000 clinical database patient records. BioMed research international, 781670. doi:10.1155/2014/781670.
Shared freely through the UCI Machine Learning Repository (CC BY 4.0):
Clore, J., Cios, K., DeShazo, J. P., and Strack, B. 2014. Diabetes 130-US hospitals for years 1999-2008. UCI Machine Learning Repository. doi:10.24432/C5230J.
Downloaded from resources shared by the Fairlearn team (MIT):
Weerts, H., DudÃk M., Edgar, R., Jalali, A., Lutz, R., & Madaio, M. 2023. Fairlearn: Assessing and Improving Fairness of AI Systems. Journal of Machine Learning Research, 24(257):1-8.
Examples
str(readmission)
head(readmission)