Odds ratios (OR) and 95% confidence intervals (95% CI) of 30 day mortality after first time hospitalisation for heart failure from 1992 to 1995; and hospital contextual effects (that is, 2nd level variance and intra-hospital correlation) in 27 786 men from 90 Swedish acute care hospitals with regard to age, previous disease, and hospital size
| Individual effects | Hospital effects | ||||
|---|---|---|---|---|---|
| 2nd level variance (95% CI) | Intra-hospital correlation3-150 | ||||
| Model 1 (empty) | |||||
| 0.053 (0.025, 0.082) | 1.6% | ||||
| OR (95% CI) | |||||
| Model 2 | |||||
| Age | |||||
| 65–69 | Reference | 0.053 (0.025, 0.082) | |||
| 70–79 | 1.41 (1.21, 1.64) | (0.0%)3-151 | |||
| 80–85 | 2.25 (1.94, 2.62) | ||||
| Model 3 (age adjusted) | |||||
| Cardiovascular disease (yes/no) | 0.98 (0.89, 1.07) | ||||
| Cancer (yes/no) | 1.39 (1.21, 1.60) | ||||
| Infectious disease (yes/no) | 1.25 (1.02, 1.52) | 0.056 (0.026, 0.084) | |||
| Senile dementia (yes/no) | 3.32 (2.17, 5.08) | (+5.7%)3-151 | |||
| Injuries and intoxications (yes/no) | 1.17 (1.02, 1.35) | ||||
| Other diseases3-152(yes/no) | 1.30 (1.12, 1.50) | ||||
| Model 4 (age adjusted) | |||||
| Hospital size (see table 2) | |||||
| Group D | Reference | ||||
| Group C | 1.08 (0.88, 1.33) | 0.041 (0.016, 0.066) | |||
| Group B | 1.22 (1.00, 1.48) | (−22.6%)3-151 | |||
| Group A | 1.30 (1.07, 1.57) | ||||
| Model 5 (age adjusted) | |||||
| Cardiovascular disease (yes/no) | 0.97 (0.89, 1.07) | ||||
| Cancer (yes/no) | 1.39 (1.21, 1.60) | ||||
| Infectious disease (yes/no) | 1.25 (1.03, 1.52) | ||||
| Senile dementia (yes/no) | 3.28 (2.00, 5.40) | ||||
| Injuries and intoxications (yes/no) | 1.17 (1.02, 1.35) | 0.044 (0.016, 0.066) | |||
| Other diseases3-152 (yes/no) | 1.29 (1.12, 1.49) | (−17.0%)3-151 | |||
| Hospital size (see table 2) | |||||
| D group | Reference | ||||
| C group | 1.07 (0.88, 1.33) | ||||
| B group | 1.22 (1.00, 1.48) | ||||
| A group | 1.30 (1.07, 1.57) | ||||