Table 2.
Incidence of Falls and Number of Fallers During the 24-Week Intervention by Intervention Group
| Falls | Tai Ji Quan (n = 15) | Stretching Exercise (n = 15) | P-value |
|---|---|---|---|
| Total falls, No. (mean, SD) | 15 (1.00, ±1.0) | 26 (1.73, ±1.10) | 0.07a |
| No. of falls, No. (%) | |||
| 1 | 4 (26.7) | 2 (13.3) | |
| 2 | 8 (26.7) | 12 (40.0) | |
| 3 | 3 (6.7) | 12 (26.7) | 0.28b |
| No. of injurious falls (%)d | 2 (13) | 3 (20) | 0.57c |
| Person-months of follow-up, mean | 89.25 | 89.75 | |
| Incidence rate (person-months) | 0.17 | 0.29 | 0.07 |
| Faller, No. (%) | 9 (60) | 12 (80) | 0.43c |
Notes: aBased on the difference in means. bBased on Pearson Chi-square test. cBased on Fisher’s Exact Test. dDefined as those that resulted in sprains, strains, contusions, or abrasions.