Table 5.
Significant predictors for delirium among ICU patients on mechanical ventilation at bivariate and multivariate analysis.
| Variable | Bivariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
| OR ratio | 95% CI | P value | OR ratio | 95% CI | P value | |
| Mental illness history | 3.132 | 1.034–9.488 | 0.043 | 0.18 | 0.05–0.59 | 0.005 |
|
| ||||||
| Multiorgan dysfunction | ||||||
| TBI | 1 | — | 1 | — | ||
| HIV | 0.42 | 0.11–1.61 | 0.204 | 0.52 | 0.08–3.38 | 0.493 |
| DM | 1.50 | 0.27–8.19 | 0.640 | 2.65 | 0.18–38.82 | 0.477 |
| HTN | 3.00 | 0.42–21.30 | 0.272 | 4.16 | 0.31–55.60 | 0.281 |
| ARDS | 3.67 | 0.86–15.59 | 0.079 | 6.44 | 0.86–48.30 | 0.070 |
| Sepsis | 4.50 | 1.07–18.92 | 0.040 | 3.64 | 0.51–25.76 | 0.196 |
| Had neurosurgery | 0.419 | 0.217–0.810 | 0.010 | |||
|
| ||||||
| Higher respiratory rate | 1.076 | 1.024–1.130 | 0.004 | |||
| Higher MAP | 1.016 | 1.001–1.030 | 0.031 | 1.01 | 0.98–1.04 | 0.574 |
| Oliguria | 2.674 | 1.376–5.199 | 0.004 | 1.94 | 0.54–6.89 | 0.307 |
|
| ||||||
| Fevers | 2.491 | 1.309–4.742 | 0.005 | |||
|
| ||||||
| Respiratory acidosis | 1.027 | 1.008–1.046 | 0.006 | 1.04 | 1.01–1.08 | 0.018 |
| Metabolic acidosis | 1.071 | 1.007–1.139 | 0.030 | 1.07 | 0.94–1.21 | 0.312 |
| Anaemia | 4.278 | 1.973–9.274 | 0.000 | 5.65 | 1.57–20.36 | 0.008 |
| Sedation | 0.262 | 0.135–0.507 | 0.000 | 0.18 | 0.05–0.59 | 0.005 |
| PEEP | 1.345 | 1.120–1.616 | 0.002 | 1.38 | 1.04–1.83 | 0.024 |
| Endotracheal intubation | 1.78 | 0.87–3.62 | 0.114 | 6.89 | 1.65–28.71 | 0.008 |
|
| ||||||
| Surgery | 0.42 | 0.22–0.81 | 0.010 | 0.29 | 0.07–1.22 | 0.092 |