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Measuring work complexity for acute care services
Shuguang Lin1,2, Paul Rouse2, Fan Zhang3
1Decision Sciences Institute, Fuzhou University, Fuzhou, China.
Summary
A new Work Complexity Index (WCI) assesses physician workload in acute care, offering better insights into departmental productivity than traditional Case Mix Index (CMI). This physician activity measure can be extended to other clinical services.
Area of Science:
- Healthcare Management
- Health Services Research
- Medical Economics
Background:
- Diagnosis-related groups (DRGs) provide case weights for resource costs but may not fully capture clinical service complexity.
- Assessing the complexity of physician services in healthcare systems is crucial for accurate resource allocation and productivity evaluation.
Purpose of the Study:
- To introduce and evaluate a Work Complexity Index (WCI) for assessing acute care physician services.
- To compare the WCI with the conventional Case Mix Index (CMI) and relative value units (RVUs) in measuring healthcare complexity and productivity.
Main Methods:
- Calculated a Work Complexity Index (WCI) for 38 departments using data from 57,559 acute inpatients at a tertiary hospital.
- Classified patients by diagnosis-related groups (DRGs) and assigned relative value units (RVUs) based on the resource-based relative value scale.
- Correlated WCI with the Case Mix Index (CMI) and the total RVUs representing physician activities.
Main Results:
- The WCI showed a strong correlation with the Case Mix Index (CMI) (r=0.676, p < 0.001).
- A moderate correlation was found between the WCI and relative value units (RVUs) (r=0.342, p = 0.036).
- The WCI proved to be a more output- or activity-focused measure compared to the patient-focused CMI.
Conclusions:
- The Work Complexity Index (WCI) offers a valuable tool for assessing physician workload and departmental productivity in acute care settings.
- The WCI provides deeper insights into departmental productivity by focusing on physician activities.
- The WCI framework is adaptable and can be extended to encompass other clinical services beyond physician-provided care.
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