Table 3 Adjusted HRs for patients who survived longer than 6 months
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 | 1.15 | 1.06—1.24 | <0.001 |
Male | 1.34 | 1.29—1.38 | <0.001 |
Patient age | 1.10 | 1.096—1.101 | <0.001 |
Socioeconomic status | |||
Low | 1 | -- | -- |
Moderate | 0.33 | 0.31—0.34 | <0.001 |
High | 0.52 | 0.40—0.67 | <0.001 |
Urbanization level | |||
Urban | 1 | -- | -- |
Suburban | 1.20 | 1.15—1.25 | 0.014 |
Rural | 1.82 | 1.74—1.91 | 0.027 |
Diabetes | 1.53 | 1.48—1.59 | <0.001 |
Hypertension | 1.00 | 0.97—1.04 | 0.852 |
History of alcohol intoxication | 1.95 | 1.63—2.33 | 0.766 |
Ischemic stroke | 1.29 | 1.24—1.34 | <0.001 |
Intracranial hemorrhage | 1.85 | 1.68—2.05 | <0.001 |
Malignancies | 1.78 | 1.68—1.87 | <0.001 |
Dementia | 0.67 | 0.65—0.70 | <0.001 |
Charlson comorbidity index score | |||
0 | 1 | -- | -- |
1 | 0.98 | 0.93—1.03 | 0.420 |
≥ 2 | 1.42 | 1.35—1.49 | <0.001 |