Table 3.
Subgroup analysis of meditation effectiveness on global cognitive performance.
| Subgroup type | Number | Sample size | MD (95% CI) | I2 (%) | |
|---|---|---|---|---|---|
| Intervention duration | >6 months | 3 | 99/99 | 2.43 (−3.07, 7.93) | 74.7 |
| <6 months | 11 | 574/569 | 2.19 (0.94, 3.44) | 91.7 | |
| Meditation type | DMM | 5 | 280/275 | 1.92 (0.06, 3.79) | 92.7 |
| FAM | 9 | 393/393 | 2.39 (0.39, 4.40) | 93.9 | |
| Different comparators | UC | 7 | 353/350 | 2.70 (0.38, 5.03) | 89.3 |
| Tai Chi Chuan | 1 | 30/31 | 0.50 (−0.55, 1.55) | / | |
| CRT | 2 | 166/166 | 4.87 (4.16, 5.88) | 0 | |
| Aerobic exercise | 1 | 30/30 | 1.60 (−0.18, 3.38) | / | |
| Health Education | 3 | 94/91 | 0.09 (−0.88, 1.05) | 0 | |
CRT, Cognitive rehabilitation therapy; DMM, dynamic mindfulness meditation; FAM, focused attention meditation; MD, Mean differences; UC, Usual care.