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Case mix index (CMI) for engaged cohort against non-engaged cohort
| Hospital | Engaged CMI | Non-Engaged CMI | P value |
| Hospital 1 | 2.32 | 2.1 | 0.000 |
| Hospital 2 | 1.69 | 1.69 | 0.302 |
| Hospital 3 | 1.62 | 1.52 | 0.001 |
| Hospital 4 | 1.49 | 1.55 | 0.124 |
| Hospital 5 | 1.62 | 1.58 | 0.178 |
| Hospital 6 | 1.57 | 1.45 | 0.000 |
| Hospital 7 | 1.52 | 1.45 | 0.013 |
