Table 1.
Physical characteristics of the participants.
| Tai Chi Group (n = 25) | Control Group (n = 24) | Group Difference | |
|---|---|---|---|
| Age (years) | 72.2 ± 5.0 | 73.1 ± 6.7 | N. S. | 
| Height (cm) | 156.1 ± 8.2 | 158.1 ± 6.0 | N. S. | 
| Body mass (kg) | 57.1 ± 11.3 | 57.1 ± 7.6 | N. S. | 
| BMI (kg/m2) | 23.4 ± 4.1 | 22.8 ± 2.2 | N. S. | 
Note: BMI: body mass index (body mass/height2); N.S.: not significant between groups.