Table 5.
Factors associated with poor outcome in multivariable logistic regression model (for variables with P < 0.1 in univariate analysis)
| Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|
| Variable | P | OR | CI 95% | P | OR | CI 95% |
| Age > 65 years | 0.057 | 3.2 | 0.92–11.3 | 0.049 | 3.99 | 1.0–15.9 |
| Area of living—from the inside | 0.003 | 4.7 | 1.7–13.3 | 0.036 | 4.2 | 1.1–16.0 |
| Hospitalisation in ICU | < 0.001 | 4.9 | 2.10–11.3 | – | – | – |
| Mechanical ventilation | < 0.001 | 9.6 | 3.6–25.5 | 0.002 | 5.9 | 1.9–17.9 |
| Consciousness disorder | 0.025 | 2.9 | 1.1–7.3 | – | – | – |
| Glasgow ≤ 8 | < 0.001 | 5.8 | 2.2–15.4 | – | – | – |
| Abnormal MRI | 0.002 | 9.8 | 1.9–49.1 | – | – | – |
| Diffuse slow activity on EEG | 0.020 | 6.0 | 1.3–28.5 | – | – | – |
| CSF lactacte > 2.5 mmol/L | 0.004 | 9.3 | 1.7–49.7 | – | – | – |
| Certain diagnosis of infection | < 0.001 | 5.6 | 2.2–13.8 | – | – | – |
| PCR positive on CSF | 0.008 | 3.7 | 1.4–20 | – | – | – |
OR= odds ratio. NB: all variables collected in our study were tested to outcome in univariate analysis, and the table shows only variables with P < 0.1.