Table 4 Adjusted HRs for patients admitted with TBI
From: Higher mortality rates among the elderly with mild traumatic brain injury: a nationwide cohort study
Variables | Hazard ratio | 95% confidence interval | P-value |
|---|---|---|---|
Mild TBI | 1.70 | 1.52—1.91 | <0.001 |
Male | 1.32 | 1.28—1.36 | <0.001 |
Patient age | 1.097 | 1.095—1.100 | <0.001 |
Socioeconomic status | |||
Low | 1 | -- | -- |
Moderate | 0.29 | 0.28—0.30 | <0.001 |
High | 0.55 | 0.43—0.70 | <0.001 |
Urbanization level | |||
Urban | 1 | -- | -- |
Suburban | 1.20 | 1.16—1.26 | 0.014 |
Rural | 1.86 | 1.78—1.94 | 0.027 |
Diabetes | 1.55 | 1.49—1.60 | <0.001 |
Hypertension | 1.00 | 0.97—1.04 | 0.951 |
History of alcohol intoxication | 2.05 | 1.73—2.42 | 0.766 |
Ischemic stroke | 1.30 | 1.26—1.35 | <0.001 |
Intracranial hemorrhage | 1.91 | 1.74—2.09 | <0.001 |
Malignancies | 1.99 | 1.90—2.10 | <0.001 |
Dementia | 0.67 | 0.65—0.70 | <0.001 |
Charlson comorbidity index score | |||
0 | 1 | -- | -- |
1 | 1.00 | 0.95—1.05 | 0.420 |
≥ 2 | 1.46 | 1.39—1.53 | <0.001 |