Table 9. Disease Management ROI Analysis for Studies of Multiple Conditions.
| ROI
|
||||||||
|---|---|---|---|---|---|---|---|---|
| Study Design | Sample Size
|
Average Evaluation Period (Years) | Intervention Program Cost
|
Intervention Program Savings
|
Total Benefits/Costs | |||
| Intervention | Control | Total | Per Participant | Total | Per Participant | |||
| Experimental Design | ||||||||
| RCT | 96 | 73 | 2.0 | — | NA | $55,776 | $581.00 | NA |
| RCT | 249 | 248 | 2.0 | $30,876 | $124.00 | 205,425 | 825.00 | 6.65 |
| Average | 173 | 161 | 2.0 | 30,876 | 124.00 | 130,601 | 703.00 | 6.65 |
| Quasi-Experimental | ||||||||
| CBA | 188 | 401 | 1.3 | 60,912 | 324.00 | 661,888 | 3,520.68 | 10.87 |
| Pre-Post Studies | ||||||||
| Pre-Post | 683 | N/A | 1.0 | 92,205 | 135.00 | 402,970 | 590.00 | 4.37 |
| Average | 289 | 210 | 1.1 | 239,429 | 1,479.40 | (196,647.66) | (511.53) | (0.35) |
NOTES: ROI is return on investment. RCT is randomized clinical trials. CBA is controlled, before and after study design. NA is not applicable.
SOURCE: Cornell University Institute for Policy Studies, 2004.