Table 1. Summary of clinical characteristics and test results for group comparison.
| Active group (29) | SHAM group (29) | Sig. | |
|---|---|---|---|
| Age in years (mean ± SD) | 73.0 ± 9.2 | 71.6 ± 7.9 | 0.38 |
| Sex – no. of women (%) | 20 (69.0) | 22 (75.9) | 0.42 |
| Systolic arterial pressure (mean ± SD) | 127.3 ± 9.4 | 129.3 ± 7.7 | 0.35 |
| Diastolic arterial pressure (mean ± SD) | 79.2 ± 5.7 | 80.4 ± 4.6 | 0.54 |
| Hemoglobin (mean ± SD) | 13.0 ± 0.9 | 13.5 ± 0.7 | 0.35 |
| Blood glucose (mean ± SD) | 91.6 ± 11.4 | 89.7 ± 8.9 | 0.60 |
| TSH (mean ± SD) | 2.5 ± 2.1 | 5.0 ± 0.2 | 0.06 |
| Sodium (mean ± SD) | 140.7 ± 2.6 | 141.3 ± 2.7 | 0.44 |
| Vitamin B12 (mean ± SD) | 461.6 ± 216.5 | 527.3 ± 391.6 | 0.52 |
| PCR (mean ± SD) | 5.4 ± 5.7 | 2.88 ± 3.2 | 0.45 |
| Cholesterol (mean ± SD) | 190.4 ± 47.9 | 180.9 ± 36.2 | 0.82 |
| HDL-C (mean ± SD) | 55.8 ± 14.5 | 51.6 ± 3.5 | 0.15 |
| Educational level | . | . | 0.11 |
| Middle school. n (%) | 4 (13.8) | 9 (31.1) | . |
| High school. n (%) | 6 (20.6) | 6 (20.6) | . |
| University. n (%) | 19 (65.5) | 14 (48.3) | . |
| Cranial MRI | . | . | 0.08 |
| RMC 0 n (%) | 1 (3.4) | 7 (24.1) | . |
| RMC 1 n (%) | 23 (79.3) | 19 (65.5) | . |
| RMC 2 n (%) | 5 (17.3) | 3 (10.4) | . |
| BDNF polymorphism | . | . | 0.05 |
| Genotype G/G | 20 (69) | 19 (65.5) | . |
| Genotype A/G | 9 (31) | 10 (34.5) | . |