Table 7. Number and percent distribution of hospitals, by percent by which charge-based case-mix indexes differ from cost-based case-mix indexes.
| Percent by which charge-based case-mix indexes differ from cost-based case-mix indexes | Number of hospitals | Percent distribution of hospitals |
|---|---|---|
| Total | 5,501 | 100.0 |
| 5-6 percent less | 0 | 0.0 |
| 4-5 percent less | 0 | 0.0 |
| 3-4 percent less | 24 | 0.5 |
| 2-3 percent less | 38 | 0.7 |
| 1-2 percent less | 531 | 9.7 |
| 0-1 percent less | 2,290 | 41.6 |
| 0-1 percent more | 2,161 | 39.3 |
| 1-2 percent more | 340 | 6.2 |
| 2-3 percent more | 85 | 1.5 |
| 3-4 percent more | 24 | 0.4 |
| 4-5 percent more | 6 | 0.1 |
| 5-6 percent more | 2 | 0.0 |
NOTE: Data are based on the 358 DRG's for which sufficient information was available on the 1981 Medicare provider analysis review file to compute relative weights.