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Poisson Regression Results for Hospital A

| Measure |
Risk Ratio |
p |
| Occ rate |
4.19 |
0.08 |
| per 50 Admissions |
1.32 |
0.03 |
| per 50 Discharges |
1.32 |
0.06 |
| Pnts/nurse |
11.59 |
0.02 |
| DRG-weighted census |
1.0006 |
0.10 |
Controlling for: Patient's age, sex, DRG, day of week, emergency admission, ICU/non-ICU
Notes:
The finding that a 10% rise in occupancy increased the risk of adverse events by 15%
a 0.1 increase in the ratio of patients to nurse staff increases the rate of an AE by 28%
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