Multivariate stepwise regression model (backwards conditional) showing associations between organisational characteristics and nurse-assessed outcomes and estimated survival probabilities
| Overall survival | Survival after AMI | Survival after stroke | Quality of nursing | Patient safety | |
|---|---|---|---|---|---|
| Regression coefficient (p value) | |||||
| Patient safety management | –0.09 (0.048)* | – | – | – | 0.36 (0.011)* |
| Staffing adequacy | 0.09 (0.002)** | 0.08 (0.079) | – | 0.44 (<0.001)** | 0.24 (0.005)** |
| Nurse–physician relationship | – | – | – | – | – |
| Quality system | – | – | – | – | – |
| Local university hospital† | – | 1.10 (0.346) | – | – | – |
| Regional university hospital† | – | 4.05 (<0.001)** | – | – | – |
| Adjusted R2 | 0.30 | 0.45 | – | 0.57 | 0.79 |
*Significant at the 0.01% level.
**Significant at the 0.05% level.
†Reference value is all other hospitals.
AMI, acute myocardial infarction.