Table 1.
Baseline Characteristics of Total Study Population and Disease-Matched Subgroups
| |
Total Study Population |
Diabetes Group |
Heart Disease Group |
|||
|---|---|---|---|---|---|---|
| Treatment | Comparison | Treatment | Comparison | Treatment | Comparison | |
| N | 5053 | 23,077 | 2161 | 9259 | 3547 | 16,363 |
| Avg age | 66.4 | 64.6 | 66.1 | 65.0 | 66.9 | 64.9 |
| % female | 43.7% | 40.3% | 47.4% | 44.1% | 40.5% | 37.4% |
| % with admission in 24 months pre-base | 77.5% | 72.3% | 77.3% | 73.2% | 78.8% | 73.0% |
| Avg number of chronic conditions (SD) | 1.24 (0.51) | 1.21 (0.49) | 1.42 (0.63) | 1.37 (0.61) | 1.31 (0.57) | 1.27 (0.54) |
| % with Diabetes | 42.8% | 40.1% | 100% | 100% | 18.5% | 15.6% |
| % with CAD | 68.9% | 69.4% | 29.4% | 26.6% | 98.2% | 97.9% |
| % with CHF | 4.1% | 4.1% | 2.9% | 2.9% | 5.8% | 5.8% |
| % with COPD | 1.8% | 1.4% | 1.8% | 1.3% | 2.1% | 1.7% |
| % with asthma | 1.9% | 1.9% | 1.9% | 1.8% | 2.1% | 2.0% |
| % with CKD | 2.0% | 1.8% | 3.1% | 2.5% | 1.9% | 2.0% |
| % with ESRD | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% |
| % with depression | 0.06% | 0.04% | 0.05% | 0.05% | 0.06% | 0.05% |
| % with cancer | 1.9% | 1.6% | 2.0% | 1.9% | 1.9% | 1.4% |
| Base admission rate (per 1000) | 539.3 | 419.6 | 494.2 | 398.4 | 602.5 | 464.5 |
| Base readmission rate (per 1000) | 59.6 | 47.3 | 41.2 | 43.8 | 71.9 | 54.2 |
| Base ALOS (days) | 5.6 | 5.9 | 6 | 6.6 | 5.4 | 5.7 |
ALOS, average length of stay; Avg, average; CHF, chronic heart failure; CAD, coronary artery disease; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; ESRD, end-stage renal disease; SD, standard deviation.