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Characteristics of the Study Hospitals and Hospital Units
| Mean | Standard Deviation |
No. | |
|---|---|---|---|
| Hospital size (average daily census) | 583 | 276 | 20 |
| Unit size (average daily census) | 26.4 | 10.7 | 40 |
| Unit staffing (RN/ADC) | 0.73 | 0.36 | 40 |
| Unit skill mix (RN/total nurse personnel) | 0.71 | 0.11 | 40 |
