A Study to Identify Variables Contributing to Length of Stay for Selected Diagnosis Related Groups (DRG) at Madigan Army Medical Center
Abstract
This study examined the relationship between ten independent variables and the length of hospital stays of 400 cases which fell within four frequently occurring Diagnosis Related Groups (DRG) at Madigan Army Medical Center. The independent variables were patient category, marital status, day of the week admitted, day of the week discharged, preadmission testing, discharge planning, discharge destination, number of laboratory tests, number of radiological procedures, and number of consults. Additional DRG-specific independent variables were also included in the model. The additional variables were emergency admission, premature delivery, and passes in conjunction with the day of admission and/or discharge. Regression analysis was used to determine which variables were significantly associated with length of stay. Aspects of all variables, except marital status, emergency admission, and discharge destination, were found to be significantly associated with either longer or shorter lengths of stay for one or more of the DRGs. These results combined with additional analysis of the data indicated that there are physician practice patterns which have to change under a DRG based resource allocation system.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 07, 1989
- Accession Number
- ADA237920
Entities
People
- Neal E. Stockmyer
Organizations
- Academy of Health Sciences