Table 5.
Number and proportion of unscheduled readmissions within 31 days in each ADRG.
| ADRG | Before implementation | After implementation | χ2 | P | ||
|---|---|---|---|---|---|---|
| Number of unscheduled readmissions within 31 days | Proportion | Number of unscheduled readmissions within 31 days | Proportion | |||
| BR2 | 31 | 0.43% | 35 | 0.54% | 0.919 | 0.338 |
| BX2 | 12 | 0.59% | 7 | 0.84% | 0.539 | 0.463 |
| CB1 | 10 | 2.11% | 10 | 2.96% | 0.599 | 0.439 |
| DT1 | 9 | 0.56% | 19 | 1.21% | 3.771 | 0.049 |
| ER3 | 7 | 1.40% | 27 | 1.93% | 0.598 | 0.439 |
| FM3 | 12 | 0.57% | 18 | 1.21% | 4.195 | 0.041 |
| FR3 | 21 | 0.70% | 30 | 1.06% | 2.146 | 0.143 |
| FR4 | 10 | 0.72% | 4 | 1.38% | 1.288 | 0.257 |
| GS1 | 11 | 2.24% | 10 | 2.77% | 0.243 | 0.622 |
| GV1 | 18 | 1.83% | 16 | 2.18% | 0.265 | 0.607 |
| GZ1 | 6 | 0.41% | 16 | 1.72% | 10.641 | <0.001 |
| HS2 | 13 | 2.57% | 13 | 3.45% | 0.576 | 0.448 |
| HU1 | 4 | 1.19% | 10 | 2.45% | 1.599 | 0.206 |
| KS1 | 6 | 0.46% | 11 | 0.51% | 0.040 | 0.841 |
| LL1 | 3 | 1.35% | 14 | 2.64% | 1.172 | 0.279 |
| LQY | 18 | 2.76% | 3 | 4.29% | 0.524 | 0.469 |
| LR1 | 11 | 1.42% | 15 | 2.23% | 1.346 | 0.246 |
| LU1 | 9 | 1.19% | 13 | 1.55% | 0.381 | 0.537 |
| PU1 | 24 | 2.23% | 22 | 3.03% | 1.115 | 0.291 |
| QS3 | 8 | 6.78% | 10 | 7.25% | 0.021 | 0.884 |
| RE1 | 21 | 10.50% | 65 | 12.24% | 0.424 | 0.515 |
| SR1 | 7 | 1.86% | 18 | 2.80% | 0.890 | 0.346 |
The bold values indicate statistically significant p-value.