Table 4. Associations of demographic and clinical variables with intravenous treatment in the nursing home.
Multilevel logistic regression model with nursing home as cluster (random intercept).
| Factors | Bivariate analysis | Multivariate analysis (N = 249) | ||||
|---|---|---|---|---|---|---|
| OR | (95% CI) | P-value | OR | (95% CI) | P-value | |
| Intervention | 5.60 | 2.79 to 11.2 | <0.01 | 8.35 | 2.08 to 33.6 | <0.01 |
| Intravenous antibiotics | 0.18 | 0.09 to 0.36 | <0.01 | 0.89 | 0.31 to 2.54 | 0.82 |
| Gender | 0.69 | 0.38 to 1.23 | 0.21 | 0.95 | 0.39 to 2.29 | 0.90 |
| Reduced consciousness | 3.21 | 1.71 to 6.05 | <0.01 | 2.12 | 0.84 to 5.38 | 0.11 |
| Systolic blood pressure at onset (tertiles) | ||||||
| <115 mmHg | Reference | Reference | ||||
| 115 to 138 mmHg | 0.65 | 0.31 to 1.37 | 0.26 | 0.84 | 0.27 to 2.56 | 0.75 |
| >138 mmHg | 0.33 | 0.16 to 0.67 | <0.01 | 0.33 | 0.11 to 2.56 | 0.04 |
| CRP at onset (tertiles) | ||||||
| <65 | Reference | Reference | ||||
| 65 to 156 | 0.78 | 0.36 to 1.67 | 0.52 | 0.75 | 0.24 to 2.33 | 0.62 |
| >156 | 0.25 | 0.11 to 0.57 | <0.01 | 0.20 | 0.06 to 0.73 | 0.02 |
| Congestive heart failure | 0.20 | 0.09 to 0.42 | <0.01 | 0.15 | 0.06 to 0.42 | <0.01 |
| Number of nursing homes in intervention (time factor) | ||||||
| 1 to 5 | Reference | Reference | ||||
| 6 to 10 | 0.57 | 0.21 to 1.54 | 0.27 | 0.67 | 0.11 to 3.94 | 0.66 |
| 11 to 15 | 1.30 | 0.49 to 3.43 | 0.60 | 1.74 | 0.31 to 9.73 | 0.53 |
| 16 to 20 | 0.45 | 0.15 to 1.29 | 0.14 | 0.53 | 0.09 to 3.05 | 0.48 |
| 21 to 25 | 4.46 | 1.11 to 17.9 | 0.04 | 6.59 | 0.58 to 75.5 | 0.13 |
| 26 to 30 | 3.83 | 1.27 to 11.5 | 0.02 | 2.47 | 0.35 to 17.5 | 0.36 |