Table 2 Adjusted HRs for patients followed from baseline to study end
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 | 1.25 | 1.16—1.34 | <0.001 |
Male | 1.32 | 1.28—1.36 | <0.001 |
Patient age | 1.10 | 1.097—1.110 | <0.001 |
Socioeconomic status | |||
Low | 1 | -- | -- |
Moderate | 0.30 | 0.28—0.31 | <0.001 |
High | 0.53 | 0.41—0.67 | <0.001 |
Urbanization level | |||
Urban | 1 | -- | -- |
Suburban | 1.20 | 1.16—1.25 | 0.014 |
Rural | 1.86 | 1.78—1.94 | 0.027 |
Diabetes | 1.53 | 1.48—1.58 | <0.001 |
Hypertension | 1.00 | 0.97—1.04 | 0.962 |
History of alcohol intoxication | 2.05 | 1.75—2.42 | 0.766 |
Ischemic stroke | 1.29 | 1.25—1.34 | <0.001 |
Intracranial hemorrhage | 1.87 | 1.71—2.05 | <0.001 |
Malignancies | 1.98 | 1.89—2.08 | <0.001 |
Dementia | 0.68 | 0.65—0.70 | <0.001 |
Charlson comorbidity index score | |||
0 | 1 | -- | -- |
1 | 1.00 | 0.95—1.05 | 0.974 |
≥ 2 | 1.46 | 1.40—1.53 | <0.001 |