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 17 923 women from 90 Swedish hospitals with regard to age, previous diseases, and hospital size
| Individual effects | Hospital effects | ||||
|---|---|---|---|---|---|
| 2nd level variance (95% CI) | Intra-hospital correlation4-150 | ||||
| Model 1 (empty) | |||||
| 0.078 (0.038, 0.118) | 2.3% | ||||
| OR (95% CI) | |||||
| Model 2 | |||||
| Age | |||||
| 65–69 | Reference | 0.078 (0.038, 0.119) | |||
| 70–79 | 1.39 (1.13, 1.72) | (0.0%)4-151 | |||
| 80–85 | 1.98 (1.61, 2.43) | ||||
| Model 3 (age adjusted) | |||||
| Cardiovascular disease (yes/no) | 0.93 (0.84, 1.04) | ||||
| Cancer (yes/no) | 1.15 (0.96, 1.37) | ||||
| Infectious disease (yes/no) | 1.18 (0.96, 1.46) | 0.075 (0.037, 0.116) | |||
| Senile dementia (yes/no) | 3.68 (2.81, 4.83) | (−4.0%)4-151 | |||
| Injuries and intoxications (yes/no) | 1.25 (1.10, 1.42) | ||||
| Other diseases4-152(yes/no) | 1.30 (1.12, 1.51) | ||||
| Model 4 (age adjusted) | |||||
| Hospital size (see table 2) | |||||
| Group D | Reference | ||||
| Group C | 1.01 (0.79, 1.30) | 0.066 (0.030, 0.103) | |||
| Group B | 1.20 (0.94, 1.52) | (−15.4%)4-151 | |||
| Group A | 1.24 (0.99, 1.56) | ||||
| Model 5 (age adjusted) | |||||
| Cardiovascular disease (yes/no) | 0.93 (0.84, 1.04) | ||||
| Cancer (yes/no) | 1.15 (0.96, 1.37) | ||||
| Infectious disease (yes/no) | 1.19 (1.96, 1.46) | ||||
| Senile dementia (yes/no) | 3.68 (2.61, 5.19) | ||||
| Injuries and intoxications (yes/no) | 1.26 (1.11, 1.44) | 0.065 (0.030, 0.101) | |||
| Other diseases4-152 (yes/no) | 1.30 (1.12, 1.50) | (−16.7%)4-151 | |||
| Hospital size (see table 2) | |||||
| Group D | Reference | ||||
| Group C | 1.00 (0.78, 1.28) | ||||
| Group B | 1.18 (0.94, 1.49) | ||||
| Group A | 1.23 (0.98, 1.54) | ||||