
The Asthma Care Return-on-Investment Calculator: How to use it
On May 22, 2008, Rosanna Coffey made a presentation in a Webinar entitled The Asthma Care Return-on-Investment Calculator: How To Use It. This is the text version of the event's slide presentation. Please click here to access the PowerPoint Slides.
The Asthma Care Return-on-Investment Calculator: How to use it
Ginger Smith Carls, M.A. and Rosanna Coffey, Ph.D.
Thomson Reuters (formerly Medstat)
May 22, 2008
On the top of the slide are the logos for the Department of Health & Human Services and the Agency for Healthcare Research and Quality (AHRQ).
Slide 2
Outline
This presentation uses a template with a blue background and a header with the AHRQ and Department of Health & Human Services logos on the left.
- Brief review of calculator
- How to use the calculator
- Data
- Interpretation of results
- Limitations and solutions
Slide 3
Review of the Calculator
Slide 4
Purpose
- To help policy makers (States) with program design for asthma care quality improvement
- To estimate financial return based on evidence
- To summarize a large literature (52 studies)
- To translate utilization-based results into costs
- To summarize impacts based on user interests
Slide 5
Methods
The sum of Evidence of Utilization Impact and Cost Data is Financial Impact.
Definitions:
Asthma care programs typically follow NAEPP (National Asthma Education and Prevention Program) guidelines
- Patient education
- Provider activities
Slide 6
How to use the calculator: Data
Slide 7
Data needed: Overview
- Number of eligible asthma patients
- Baseline utilization and costs
- Evidence
- Cost to implement the program
Slide 8
Data needed: Eligible asthma patients
Options: A. Calculate number eligible using own data (i.e. medical claims) or B. Use calculator to estimate eligible patients
More details:
Calculate number eligible using own data (i.e. medical claims)
Define criteria for eligible asthma patients. Example:
- Patients with at least one asthma diagnosis
- Patients with persistent asthma
NCQA HEDIS definition: http://www.ncqa.org
See Tables 8 and 10 in detailed report
Slide 9
Data needed: Eligible asthma patients
Use calculator to estimate eligible asthma patients
Data Fields
- Percent of enrollees in each age/gender cell
- Percent enrollees of each race/ethnicity
- Total number of enrollees
Options
- Asthma severity
- Type of health coverage (Medicaid or employer-sponsored)
How calculator estimates eligible patients:
- Asthma prevalence rates come from MarketScan TM Medicaid or Commercial Claims databases
- Prevalence rates are adjusted by all of the demographic and asthma severity information entered by user, based on evidence from MarketScan TM
Slide 10
Data needed: Baseline
Baseline = the use and cost patterns of program participants before the asthma care program
Data Fields
Use
- Emergency department visits per patient per year
- Hospital stays per patient per year
- Outpatient visits per patient per year
Cost (payment amount)
- Emergency department cost per visit
- Hospital cost per stay
- Outpatient cost per visit
- Asthma medication cost per patient per year
- Asthma-related ancillary service (lab, imaging, etc.) cost per patient
Slide 11
Data needed: Baseline
Data Fields (continued)
Missed work or school (optional)
- Number of missed work or school days per patient per year
- Cost of a missed work or school day
Advice for calculating data fields:
- Decide what use & cost components to include
- It's okay to combine use & cost from different sources
- Just make sure measures are calculated the same way for the same population
Slide 12
Data needed: Baseline
Source of default data:
MarketScan Claims Database (2005)
Medicaid
- 8 states
- Geographically dispersed
Employer-sponsored health insurance
- Over 100 large self-insured employers
- Over 15 million lives
- Geographically balanced
National Health Interview Survey (2003)
- Number of missed work or school days due to asthma
- U.S. estimate
Bureau of Labor Statistics (2006)
- Average wage rate
- Federal poverty line (for value of missed work day for Medicaid recipients)
Slide 13
Data needed: Evidence
Data Fields
Average annual percent change in:
- Number of asthma-related hospital stays
- Number of asthma-related ER visits
- Number of asthma-related outpatient visits
- Payments for outpatient prescription drugs
- Payments for asthma-related ancillary services
- Number of missed work days (optional)
- Number of missed school days (optional)
Where to find these data:
- Results from our meta-analysis of the literature is in the calculator
- You may enter these if you have results from a pilot study
Slide 14
Data needed: Evidence
Example calculation of percent change in visits
The chart below indicates that the Rate at baseline (Before) for the Treatment Group is 10 (A) and the Rate at the end (After) is 5 (B). The Rate at baseline (Before) for the Control Group is 10 (C) and the Rate at the end (After) is 8 (B)
- No control group : (B - A )/A*100 = - 50%
- Randomized controlled study: (B – D)/D*100 = - 38%
- Statistically controlled study:
Percent change in treatment - percent change in control =
(B-A)/A*100 – (D-C)/C*100 = - 50 - (- 20) = - 30%
Slide 15
Data needed: Evidence in calculator
ED visits
Children only: 13,213 Total patients and 21 Number of studies
Adults only: 714 Total patients and 11 Number of studies
Both children and adults: 8,812 Total patients and 9 Number of studies
TOTAL: 22,739 Total patients and 40 Number of studies
Hospitalizations
Children only: 17,575 Total patients and 19 Number of studies
Adults only: 7,161 Total patients and 9 Number of studies
Both children and adults: 2,526 Total patients and 7 Number of studies
TOTAL: 27,262 Total patients and 33 Number of studies
Outpatient visits
Children only: 20,229 Total patients and 18 Number of studies
Adults only: 6,986 Total patients and 4 Number of studies
Both children and adults: 1,888 Total patients and 5 Number of studies
TOTAL: 29,103 Total patients and 25 Number of studies
Missed work/school days
Children only: 4,172 Total patients and 11 Number of studies
Adults only: 521 Total patients and 5 Number of studies
Both children and adults: 443 Total patients and 3 Number of studies
TOTAL: 5,136 Total patients and 17 Number of studies
Medication Cost
Children only: 486 Total patients and 2 Number of studies
Adults only: 301 Total patients and 3 Number of studies
Both children and adults: 13,580 Total patients and 5 Number of studies
TOTAL: 14,367 Total patients and 10 Number of studies
Ancillary service cost
Children only: 61 Total patients and 1 Number of studies
Adults only: 148 Total patients and 2 Number of studies
Both children and adults: 0 Total patients and 0 Number of studies
TOTAL: 209 Total patients and 3 Number of studies
Notes: Total studies can be less than the sum of the columns because some studies reported results separately for adults and children
Total patients includes both treatment and control patients
Slide 16
Data needed: Program cost and design
Data fields
- Annual cost per participant
- Number of years until full impact (i.e. program “ramp-up”)
- Discount rate
- Duration of program
Questions to consider
- How to choose a discount rate?
- How to estimate annual cost per participant?
Slide 17
Data needed: Wrap-up
Types of data needed
- Number of eligible asthma patients
- Baseline utilization and costs
- Evidence
- Program cost and design
Putting it all together
- Ideally, find data from a single source
- If not possible, be sure that the underlying populations that generated the data are similar
Use claims data to obtain number of eligible asthma patients and their baseline utilization and costs
Find evidence that studied a similar population
Slide 18
Data needed: Discussion
Ideas for data sources?
- Evidence
- Number of eligible asthma patients
- Baseline utilization and cost
- Program cost
What technical assistance do you need from AHRQ to find data?
Questions?
Slide 19
How to use the calculator
Interpretation of results
Slide 20
Example results
Results from default data
- Nationwide
- Program lasts for 5 years
- Takes 2 years to ramp up
- Discount rate is 3%
- Evidence from randomized controlled studies
Slide 21
Results using default data
Not all options are shown
Option (1)
Type of Insurance: Medicaid
Age Groups: Adults and children
Asthma Severity: Persistent asthma
Annual Program Cost: $395
Medical costs included: All payments
Productivity costs included: No
Number of eligible patients with asthma (nationwide): 1.97 million
Results
Net Present value (per participant): ($1,552)
ROI: $0.14
Break Even Program Cost: $56.04
Option (2)
Type of Insurance: Medicaid
Age Groups: Children
Asthma Severity: Persistent asthma
Annual Program Cost: $395
Medical costs included: All payments
Productivity costs included: No
Number of eligible patients with asthma (nationwide): 850 thousand
Results
Net Present value (per participant): ($1,228)
ROI: $0.32
Break Even Program Cost: $126.76
Option (3)
Type of Insurance: Medicaid
Age Groups: Children
Asthma Severity: Persistent asthma
Annual Program Cost: $100
Medical costs included: All payments
Productivity costs included: No
Number of eligible patients with asthma (nationwide): 850 thousand
Results
Net Present value (per participant): $123
ROI: $1.27
Break Even Program Cost: $126.76
Option (4)
Type of Insurance: Employer sponsored
Age Groups: Children
Asthma Severity: Persistent asthma
Annual Program Cost: $100
Medical costs included: All payments
Productivity costs included: No
Number of eligible patients with asthma (nationwide): 1 million
Results
Net Present value (per participant): ($60)
ROI: $0.87
Break Even Program Cost: $66.97
Slide 22
Results using default data
Option (5)
Type of Insurance: Employer sponsored
Age Groups: Children
Asthma Severity: Persistent asthma with acute visits
Annual Program Cost: $100
Medical costs included: All payments
Productivity costs included: No
Number of eligible patients with asthma (nationwide): 200 thousand
Results
Net Present value (per participant): $822
ROI: $2.80
Break Even Program Cost: $279.54
Option (6)
Type of Insurance: Employer sponsored
Age Groups: Children
Asthma Severity: Persistent asthma with acute visits
Annual Program Cost: $100
Medical costs included: Only plan costs
Productivity costs included: No
Number of eligible patients with asthma (nationwide): 200 thousand
Results
Net Present value (per participant): $561
ROI: $2.22
Break Even Program Cost: $222.39
Option (7)
Type of Insurance: Employer sponsored
Age Groups: Adults
Asthma Severity: Persistent asthma
Annual Program Cost: $100
Medical costs included: Only plan costs
Productivity costs included: No
Number of eligible patients with asthma (nationwide): 2.2 million
Results
Net Present value (per participant): ($812)
ROI: ($0.77)
Break Even Program Cost: ($77.30)
Option (8)
Type of Insurance: Employer sponsored
Age Groups: Adults
Asthma Severity: Persistent asthma
Annual Program Cost: $100
Medical costs included: Only plan costs
Productivity costs included: Yes
Number of eligible patients with asthma (nationwide): 2.2 million
Results
Net Present value (per participant): $2,264
ROI: $5.94
Break Even Program Cost: $594.44
Slide 23
How to use calculator
Forecast financial impact
Assess impact of key assumptions about proposed program
- Examine alternative types of programs to assess tradeoffs
- Are assumptions “reasonable” compared to other evidence?
Estimate “cost hurdle” needed to break-even
Negotiate with vendors Observe components of calculator in planning an evaluation of an asthma care program
Slide 24
Uses: How it helps with policy
- Michigan Pediatric Asthma Coalition: Funding decision for a county asthma program
- New York Department of Health: Evaluation components for a housing improvement project that should reduce asthma symptoms
- Iowa Medicaid Medical Officer: Considering value of asthma care improvements for Medicaid
At the bottom of the slide is an arrow pointing from graphics of literature toward money.
Slide 25
Limitations and possible solutions
Slide 26
Caveats
- Limited evidence for some components:
- Few studies (7) reported program cost – wide range:
- Average = $395 dollars per patient per year
- Min = $81 automated general educational mailing
- Max = $989 program for highest cost patients
- Few studies (10) reported asthma medication costs:
- Studies without a control group reported larger increases in medication costs
- Baseline asthma medication costs varied
- AHRQ does not plan updates at this time
Slide 27 Caveats & Solutions
Problems:
- Literature continues to grow
- Baseline data becomes obsolete
- Cost estimates are for 2006
Solutions for users:
- Monitor literature post April 2007 & input results
- Use your own data to populate the calculator
- Inflate findings beyond 2006, using the CPI-M
Slide 28
Discussion
- Other limitations, concerns?
- Ways the calculator could be made more useful?
- Questions about interpretation of results?
Slide 29
Additional assistance:
Technical Assistance:
Margie Shofer, Marjorie.Shofer@ahrq.hhs.gov
Senior Program Analyst, Office of Communications and Knowledge Transfer
Copy of calculator or questions about the tool:
Please e-mail AHRQ_quality_tools@academyhealth.org
For more information about AHRQ Quality Tools:
http://www.academyhealth.org/ahrq/qualitytools/
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