Table 1.
Baseline characteristics of study participants
| Non-CI group (N = 20) | CI group (N = 31) | Z/t/chi-square | p value | |
|---|---|---|---|---|
| Age (years) | 57.00 (52.50–63.00) | 64.50 (57.50–67.00) | 2.717 | 0.007 |
| BMI, kg/m2 | 25.54 ± 3.03 | 24.45 ± 4.21 | 0.081 | 0.936 |
| Sex (F/M) | 3/17 | 11/20 | 2.561 | 0.110 |
| Education years | 12.2 ± 1.09 | 9.26 ± 0.8 | 2.225 | 0.031 |
| Hypertension | 8 (40%) | 17 (54.84%) | 1.071 | 0.301 |
| Diabetes mellitus | 5 (25%) | 4 (12.9%) | 0.533 | 0.465 |
| Dyslipidaemia | 1 (5%) | 4 (12.9%) | 0.198 | 0.657 |
| History of smoking | 8 (40%) | 4 (12.9%) | 3.569 | 0.059 |
| History of alcohol consumption | 12 (60%) | 15 (48.39) | 0.658 | 0.417 |
| Past history of stroke/TIA | 7 (35%) | 19 (61.29%) | 3.362 | 0.067 |
| Coronary artery disease | 1 (5%) | 5 (16.13%) | 0.576 | 0.448 |
| Headache | 3 (15%) | 3 (9.68%) | 0.117 | 0.896 |
Data were expressed as numbers (%), medians (interquartile ranges) or mean ± standard deviation
BMI body mass index, kg/m2, TIA transient ischemic attack, CI cognitive impairment