Table 1.
Variable | Yoga | Memory training | Kruskal-Wallis test | ||
Median | Range | Median | Range | Statistic (p) | |
Demographics and clinical scores | |||||
Age | 62.0 | 53–69 | 64.0 | 54–76 | 1.26 (0.26) |
Education | 16.0 | 13–18 | 16.0 | 13–18 | 0.12 (0.73) |
Body mass index | 25.65 | 20.1–39.9 | 23.15 | 18.6–41.6 | 0.16 (0.69) |
Anxiety | 4.5 | 2–10 | 4.0 | 1–14 | 0.41 (0.52) |
Depression | 7.5 | 1–16 | 6.0 | 3–21 | < 0.0001 (1.0) |
Resilience | 70.0 | 54–90 | 70.0 | 50–98 | < 0.0001 (1.0) |
Perceived Stress | 22.0 | 20–30 | 22.0 | 15–26 | 0.1 (0.75) |
Memory Function Questionnaire | |||||
Frequency of Forgetting | 4.25 | 2.3–5.8 | 4.75 | 3.3–5.9 | 1.48 (0.22) |
Seriousness of Forgetting | 3.6 | 2.4–6.4 | 4.1 | 2.3–6.0 | 1.11 (0.29) |
Gray matter volume | |||||
Estimated total intracranial volume | 1491456.34 | 1055761.8–1708017.45 | 1456013.1 | 1055410.9–1673511.8 | 0.13 (0.72) |
Left hippocampus | 3538.70 | 3007.1–4253.2 | 3530.5 | 3248.6–4241.1 | 0.03 (0.87) |
Right hippocampus | 3800.4 | 3132.7–4443.0 | 3512.2 | 3303.0–4261.6 | 0.31 (0.58) |
Left amygdala | 1262.4 | 1007.1–1505.0 | 1310.9 | 1101.9–1412.0 | 0.79 (0.38) |
Right amygdala | 1486.7 | 1227.4–1643.0 | 1478.2 | 1215.1–1701.3 | 0.05 (0.82) |
Neither demographics and clinical, nor ROI-based GMV differed between the groups at baseline (p-values in parentheses).