Table 1.
Clinical characteristics of the study population
| Healthy subjects (n = 37) | TBI patients (n = 84) | P | |
|---|---|---|---|
| Age (years) | 42.92±2.67 (24–72) | 40.45±1.97 (18–85) | 0.478 |
| Sex (female) | 9(24.3) | 21(25) | 0.937 |
| Pre-medical history | |||
| Hypertension | 3(8.10) | 6(7.14) | 0.852 |
| Diabetes mellitus | 1(2.70) | 2(2.38) | 0.916 |
| Hyperlipidemia | 4(10.81) | 10(11.90) | 0.862 |
| Ischemic heart disease | 1(2.70) | 1(1.19) | 0.548 |
| Stroke | 2(5.40) | 3(3.57) | 0.641 |
| Smoking habits | 4(10.81) | 6(7.14) | 0.500 |
| Alcohol consumption | 1(2.70) | 2(2.38) | 0.916 |
| Medication | |||
| Statins | 3(8.11) | 6(7.14) | 0.852 |
| Aspirin | 4(10.81) | 9(10.71) | 0.987 |
| Estrogen | 1(2.70) | 0 | 0.130 |
Data are expressed as n (%) with the exception of age [mean ± SEM (range)]. Statistical significances of difference between groups were determined by Student’s t test (continuous variables) or by chi-square test (categorical variables). TBI: Traumatic brain injury.