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HEALTH CARE OPERATIONS AND SUPPLY CHAIN MANAGEMENT

Operations, Planning, and Control

JOHN F. KROS

EVELYN C. BROWN

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TABLES AND FIGURES

LIST OF TABLES

Table 1.1 Major Causes of the Bullwhip Effect
Table 2.1 For-Profit and Not-for-Profit Health Care Financial Statements
Table 2.2 Key Health Care Financial Ratios
Table 3.1 Six Cost Drivers and Health Care Examples
Table 3.2 Activities and Cost Drivers for the Nurse’s Station
Table 3.3 Formulas for the Cost per Unit Driver Calculations
Table 3.4 Formulas for the Total Cost per Activity Calculations
Table 3.5 Formulas for the Traditional Method of Indirect Cost Assignment
Table 4.1 DRG Category Data
Table 4.2 Common Measures of Central Tendency in Health Care
Table 4.3 Emergency Room Waiting Time Information
Table 4.4 Daily Census for Rehabilitation Center
Table 4.5 ER Wait Times with Wait Time Distribution
Table 4.6 ER Wait Times with Expected Wait Time Calculated
Table 4.7 Descriptive Statistics of Two Populations
Table 4.8 Novine’s Average Prescription Data
Table 4.9 Summary Statistics for Novine’s Pharmacy Receipts
Table 4.10 Excel Formulas for Box Plot
Table 4.11 Tornado Diagram Data Set
Table 5.1 Possible Outcomes for Medical Equipment Example
Table 5.2 Payoff Table for Medical Equipment Example
Table 5.3 Sarah’s Equipment Payoff Table (Percent Return)
Table 5.4 Summary of Final Medical Equipment Example Choices
Table 5.5 Definitions and Quantifications of Risk
Table 5.6 Range Calculations for the Medical Equipment Example
Table 5.7 Minimax Regret Calculations for the Medical Equipment Example
Table 5.8 Medical Equipment Decision Tree Expected Values
Table 6.1 Excel Formulas for Queuing Example
Table 6.2 Excel Formulas for Summary Statistics
Table 7.1 Value Stream Mapping Symbols
Table 7.2 Examples of Health Care Productivity and Efficiency Measures by Facility Type
Table 8.1 Types of Facility Layouts
Table 8.2 Reasons for Closeness Rating
Table 8.3 Importance of Relationship
Table 8.4 Design Evaluation Criteria
Table 8.5 Impact Analysis of Aisle Arrangement
Table 8.6 Design Alternative Metrics
Table 8.7 Patient Traffic per Week
Table 8.8 Patient Movement Costs
Table 9.1 Control Chart Data Set
Table 9.2 Factors for Determining Control Limits
Table 9.3 MiniCase Cleaning Delay Information
Table 10.1 Areas of Interest and Associated Quality Control Systems
Table 10.2 Factors or Computing Control Chart Limits (Three Sigma)
Table 10.3 Formulas for Control Chart Spreadsheet Calculations
Table 10.4 Control Chart Patterns
Table 10.5 Formulas for Process Capability Spreadsheet Calculations
Table 12.1 Example Data Set for Hospital (Beds Demanded)
Table 12.2 Hospital Charge/Length of Stay Data for Linear Regression Computation
Table 12.3 Patient Satisfaction Data for Linear Regression Computation
Table 12.4 Excel Formulas for Error Calculations
Table 12.5 Error Measurements for Glucose Example
Table 13.1 Direct Ranking Method Example
Table 13.2 Deriving Weights from Importance Ratings
Table 13.3 Data for Example Project
Table 13.4 Early Start Schedule
Table 13.5 Late Start Schedule
Table 13.6 Slack for Project Activities
Table 13.7 Project Crashing Example
Table 13.8 Health Care Project Example
Table 14.1 Workforce Scheduling Packages
Table 14.2 Johnson’s Rule Example
Table 14.3 Formulas and Brief Explanatory Notes for Figure 14.9
Table 14.4 Demand Locale Data for Outpatient Clinic
Table 14.5 Formulas to Accompany Spreadsheet in Figure 14.17
Table 14.6 Laboratory Jobs Processing Times
Table 14.7 Billing Inquiry Processing Times
Table 14.8 Senior/Community Center Location Data
Table 14.9 Health Care Facility Location Data
Table 15.1 Differences between Periodic and Continuous Inventory Systems
Table 15.2 Inventory Data
Table 15.3 Percent Total Dollar Volume Data

LIST OF FIGURES

Figure P.1 Graph of Projected Health Expenditures
Figure P.2 Health Expenditures as a Percentage of Gross Domestic Product
Figure 2.1 Operating Statement for a Health Care Organization
Figure 2.2 Balance Sheet for a Not-for-Profit Health Care Organization
Figure 2.3 Statement of Cash Flows for a Health Care Organization
Figure 2.4 Graphical Break-Even Analysis
Figure 2.5 Crossover Graph
Figure 3.1 Flowchart/Process Map for the Nurse’s Station Example
Figure 4.1 Histogram for Daily Recorded DRG Codes
Figure 4.2 Relative Frequency Diagram
Figure 4.3 Excel Options Window
Figure 4.4 Excel Add-Ins Choices within the Options Window
Figure 4.5 Excel Add-Ins Menu
Figure 4.6 Data Analysis Window
Figure 4.7 Excel Spreadsheet to Accompany Histogram Example
Figure 4.8 Histogram Dialogue Box
Figure 4.9 Histogram Dialogue Box with Specific Graphing Options Checked
Figure 4.10 Histogram with Cumulative Percentage Overlay
Figure 4.11 Reject/Accept Regions for Two-Tailed t-Tests
Figure 4.12 Pharmacy Data in Excel
Figure 4.13 Tools Menu and Data Analysis Option in Excel
Figure 4.14 t-Test: Two-Sample Assuming Equal Variances Option in Excel
Figure 4.15 t-Test Dialogue Box in Excel
Figure 4.16 Data Analysis Output for t-Test
Figure 4.17 Pareto Diagram in Excel
Figure 4.18 Pareto Diagram with 80 Percent Mark Displayed
Figure 4.19 Basic Box Plot
Figure 4.20 Data for Box Plots
Figure 4.21 2-D Stacked Column Option
Figure 4.22 Stacked Column Graph after Column Switch
Figure 4.23 Error Bar Menus
Figure 4.24 Input Window for Error Bar Input
Figure 4.25 Format Error Bars Menu
Figure 4.26 Special Value Input Menu
Figure 4.27 Box Plot Graph after Error Bar Formatting
Figure 4.28 Final Box Plot Graph
Figure 4.29 Insert Tab and Bar Chart Option Menu
Figure 4.30 Preliminary Bar Chart for Tornado Diagram
Figure 4.31 Format Axis Menu x-Axis
Figure 4.32 Format Data Series Option Screen
Figure 4.33 Format Axis Menu y-Axis
Figure 4.34 Tornado Diagram
Figure 5.1 Decision Tree for Litigation Example
Figure 5.2 Excel Spreadsheet for Sarah’s Equipment Payoff Table
Figure 5.3 Excel Spreadsheet for Maximax Decision Criterion
Figure 5.4 Excel Spreadsheet for Maximin Decision Criterion
Figure 5.5 Excel Spreadsheet for Minimax Regret Decision Criterion
Figure 5.6 Excel Spreadsheet for Hurwicz Criterion
Figure 5.7 Sensitivity Analysis Data Calculations
Figure 5.8 Final Chart Output in Excel
Figure 5.9 Scatter Chart Menu in Excel
Figure 5.10 Insert Chart Menu in Excel
Figure 5.11 Format Axis Option after Right Click in Excel
Figure 5.12 Format Axis Menu in Excel
Figure 5.13 Layout Tab for Modifying Graphs in Excel
Figure 5.14 Move Chart Option for Modifying Graphs in Excel
Figure 5.15 Move Chart Dialogue Box for Modifying Graphs in Excel
Figure 5.16 Excel Output for Medical Equipment Sensitivity Analysis
Figure 5.17 Payoff Table for Sarah’s Medical Equipment Example
Figure 5.18 Decision Tree for Sarah’s Medical Equipment Example
Figure 5.19 Decision Tree for Sarah’s Medical Equipment Example under Equal Likelihood Scenario
Figure 5.20 Multistage Decision Tree Example
Figure 5.21 Excel Options Button
Figure 5.22 Excel Options Window
Figure 5.23 Excel Add-Ins Menu
Figure 5.24 TreePlan Option in Add-Ins Tab
Figure 5.25 Initial TreePlan Menu
Figure 5.26 Initial Decision Tree
Figure 5.27 TreePlan Formula Example
Figure 5.28 TreePlan Add/Change/Modify Dialogue Box
Figure 5.29 Decision Tree with Event Node Added
Figure 5.30 TreePlan Menu for Modifying an Existing Node
Figure 5.31 Example Tree Depicting Data Entry Areas
Figure 6.1 Process Flow at Low-Acuity Emergency Department
Figure 6.2 Graph of Multinomial Distribution
Figure 6.3 Graph of Poisson Distribution (λ = 5)
Figure 6.4 Graph of Exponential Distribution
Figure 6.5 Graph of Normal Distribution
Figure 6.6 Discrete Simulation Flow for Process of Figure 6.1
Figure 6.7 Excel Screen Shot for Military Recruit Blood Work Example
Figure 7.1 Process Map for Room Turnover Process
Figure 7.2 Current State Map
Figure 7.3 Future State Map
Figure 7.4 Staffing Profile
Figure 7.5 Process Flow at Low-Acuity Emergency Department
Figure 8.1 Hospital Unit
Figure 8.2a Centralized Medication Storage
Figure 8.2b Decentralized Medication Storage
Figure 8.3 Muther Diagram for Health Care Example
Figure 8.4 Alternative Designs for Evaluation
Figure 8.5 Graphical Solution to Health Care Example
Figure 8.6 Excel Formulation for Health Care Example
Figure 8.7 Solver Parameters Dialogue Box
Figure 8.8 Add Constraint Dialogue Box
Figure 8.9 Solver Parameters for Health Care Example
Figure 8.10 How to Set Integer Constraints for Health Care Example
Figure 8.11 Final Step When Setting Integer Constraints
Figure 8.12 Final Solver Parameters Dialogue Box for Health Care Example
Figure 8.13 Solver Options Dialogue Box
Figure 8.14 Final Results for Solver for Health Care Example
Figure 8.15 Possible Department Layout
Figure 9.1 Check Sheet for Admission Delays
Figure 9.2 Example Flowchart for Patient Check-In and to Room Process
Figure 9.3 Cause-and-Effect or Fishbone Diagram
Figure 9.4 Histogram for Delay Times
Figure 9.5 Pareto Diagram for Medical Documentation Errors
Figure 9.6 Scatter Diagram of Patients per Day versus Day of the Week
Figure 9.7 X-Bar Control Chart Example
Figure 9.8 Control Chart with Control Limits and Zones
Figure 9.9 DMAIC Process
Figure 9.10 Six Sigma DMAIC Process Metrics
Figure 10.1 Spreadsheet for Control Chart Calculations
Figure 10.2 x-Bar Chart
Figure 10.3 R Chart
Figure 10.4 Process Capability Spreadsheet Calculations
Figure 10.5 House of Quality Example
Figure 11.1 Sample Kanban
Figure 11.2 Value Stream Map for Hennepin County Medical Center
Figure 12.1 Trend Line
Figure 12.2 Nonlinear Trend Data Pattern Example
Figure 12.3 Seasonal Data Pattern Example
Figure 12.4 Combined Trend and Seasonal Data Pattern Example
Figure 12.5 Naive Forecast for Beds Demanded
Figure 12.6 Data Analysis Dialogue Box
Figure 12.7 Excel’s Moving Average Dialogue Box
Figure 12.8 Three- and Five-Year Moving Averages for Bed Demand Time Series Data
Figure 12.9 Graph of Baseline, Three-Year, and Five-Year Moving Averages
Figure 12.10 Data Analysis Dialogue Box
Figure 12.11 Excel’s Exponential Smoothing Dialogue Box
Figure 12.12 Graph of Baseline and Exponentially Smoothed Bed Demand Data
Figure 12.13 Lagged Time Series Example and Correlation Estimate
Figure 12.14a Seasonal Data for Hospital Bed Example
Figure 12.14b Graph of Seasonal Data for Hospital Bed Example
Figure 12.15 Seasonally Sorted Demand Data
Figure 12.16 Combined Graph of Original Time Series and Forecasted Data
Figure 12.17 Scatter Plot of a Perfect Positive Linear Relationship
Figure 12.18 Scatter Plot of a Perfect Negative Linear Relationship
Figure 12.19 Scatter Plot Depicting a Curvilinear Relationship
Figure 12.20 Scatter Plot Depicting No Linear Relationship
Figure 12.21 Simple Linear Representation
Figure 12.22 Regression Output from Excel for Patient Satisfaction Example
Figure 12.23 Excel Output for Residual/Error Calculations
Figure 12.24 Excel File Tab
Figure 12.25 Excel Options Add-Ins Menu
Figure 12.26 Add-Ins Dialogue Box
Figure 12.27 Glucose Area Data Set
Figure 12.28 Data Analysis Option in Excel
Figure 12.29 Data Analysis Options Menu
Figure 12.30 Data Analysis Regression Menu
Figure 12.31 Regression Output for Glucose Data Set
Figure 12.32 Data Analysis Menu Option in Excel Ribbon
Figure 12.33 Data Analysis Dialogue Box in Excel
Figure 12.34 Correlation Menu in Excel’s Data Analysis Package
Figure 12.35 Correlation Matrix for Age and BMI
Figure 13.1 Generic Work Breakdown Structure
Figure 13.2 Network for Simple Project Example
Figure 13.3 Network for Health Care Project Example
Figure 13.4 Gantt Chart for Health Care Project
Figure 13.5 Resource Leveling—Delaying Activity D
Figure 13.6 Resource Leveling—Delaying Activity E
Figure 13.7 Project Data
Figure 13.8 Project Data Formulas
Figure 13.9 Intermediate Step—Gantt Chart Creation
Figure 13.10 Gantt Chart in Excel
Figure 13.11 Activity-on-Arc Network Diagram
Figure 13.12 PERT Example in Excel
Figure 13.13 Network for Electronic Medical Records Implementation
Figure 14.1 Aggregate Planning Hierarchy in a Health Care Organization
Figure 14.2 Scheduling Framework for a Health Care Organization
Figure 14.3 One-Dimensional Horizontal Matrix with Five Job/Patient Slots
Figure 14.4 Johnson’s Rule First Iteration
Figure 14.5 Johnson’s Rule Second Iteration
Figure 14.6 Johnson’s Rule Third Iteration
Figure 14.7 Johnson’s Rule Fourth Iteration
Figure 14.8 Johnson’s Rule Fifth and Final Iteration
Figure 14.9 Spreadsheet to Accompany Johnson’s Rule Patient Processing Problem
Figure 14.10 Gantt Chart for Patient Scheduling Problem
Figure 14.11 Stacked Bar Option
Figure 14.12 Initial Bar Chart for Gantt Chart Creation
Figure 14.13 Data Option Menu
Figure 14.14 Preliminary Gantt Chart for First Process Complete Paperwork
Figure 14.15 Formatted Gantt Chart
Figure 14.16 Coordinate Locations for the County Demand Locales
Figure 14.17 Excel Spreadsheet for Center of Gravity Method
Figure 15.1 Spreadsheet Model Using Given Value of Q
Figure 15.2 Cost Formulas for Figure 15.1
Figure 15.3 Spreadsheet Model Using Formula to Calculate Economic Order Quantity
Figure 15.4 Cycles in a Periodic Review System
Figure 15.5 Periodic Review Journal Entries for Health Care Corp.
Figure 15.6 Formulas for Figure 15.5
Figure 15.7 Continuous Review Journal Entries for Health Care Corp.
Figure 15.8 Formulas for Figure 15.7
Figure 15.9 Inventory Data
Figure 15.10 Percent Total Dollar Volume Data
Figure 15.11 Sorted Data