Table 4.
The effect of TCC on blood pressure.
| Outcome or subgroup title | Number of studies |
Number of participants |
Effect size; std. mean difference (IV, random, 95% CI) | P value | I 2 | PHeterogeneity |
|---|---|---|---|---|---|---|
| Tai Chi Chuan versus nonintervention for blood pressure | ||||||
| SBP (mmHg) | ||||||
| Intervention for less than half a year | 9 | 634 | −11.98 [−17.50, −6.47] | <0.0001 | 90℅ | <0.00001 |
| Intervention for more than 1 year | 3 | 198 | −9.58 [−14.54, −4.61] | 0.0002 | 0℅ | 0.45 |
| DBP (mmHg) | ||||||
| Intervention for less than half a year | 9 | 634 | −6.11 [−9.92, −2.29] | 0.002 | 90℅ | <0.00001 |
| Intervention for more than 1 year | 3 | 198 | −4.00 [−7.44, −0.56] | 0.02 | 11℅ | 0.32 |
|
| ||||||
| Tai Chi Chuan plus other interventions versus same other interventions | ||||||
| SBP (mmHg) | ||||||
| Intervention for less than half a year | 7 | 406 | −14.21 [−17.54, −10.88] | <0.00001 | 43℅ | 0.11 |
| Intervention for more than 1 year | 3 | 624 | −8.29 [−9.63, −6.95] | <0.00001 | 0℅ | 0.92 |
| DBP (mmHg) | ||||||
| Intervention for less than half an year | 7 | 406 | −7.08 [−9.06, −5.09] | <0.00001 | 47℅ | 0.08 |
| Intervention for more than 1 year | 3 | 624 | −4.56 [−6.45, −2.67] | 0.0002 | 38℅ | 0.20 |
SBP: systolic blood pressure; DBP: diastolic blood pressure.