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Statistical and methodological issues in the evaluation of case management studies.
M L Lesser1, S Robertson, N Kohn
1North Shore University Hospital, Manhasset, NY, USA.
Summary
This study evaluates clinical pathways implemented by nursing case management. It addresses statistical challenges in assessing pathway effectiveness on patient outcomes and hospital efficiency.
Area of Science:
- Healthcare Management
- Nursing Practice
- Health Services Research
Background:
- North Shore University Hospital implemented over 50 clinical pathways over three years.
- Clinical pathways provide a structured timeline for patient care events during hospitalization.
Purpose of the Study:
- To evaluate the efficacy of clinical pathways.
- To assess the impact of pathways on length of stay, hospital costs, patient care quality, and satisfaction.
Main Methods:
- Discussion of statistical issues in designing and evaluating case management studies.
- Consideration of research approaches for program implementation and evaluation.
- Analysis of comparison group selection and patient exclusion criteria.
Main Results:
- The article highlights statistical considerations crucial for robust pathway evaluation.
- It addresses challenges in equating clinical pathways with diagnosis-related groups.
Conclusions:
- Effective evaluation of clinical pathways requires careful statistical design.
- Addressing issues like control groups and patient selection is vital for accurate outcome assessment.