Table 2. Analyses of the Primary Outcome (Montreal Cognitive Assessment scores) at 12 weeks. Differences from the baseline are expressed as mean differences and 95% confidence intervals.
| Analysis (number of patients included in the analysis) |
Usual care | Fitness walking exercise | Tai Chi exercise | P value (Fisher test) | |||
|---|---|---|---|---|---|---|---|
| Before the intervention, mean difference (95% CI) | After 12 weeks of intervention, mean difference (95% CI) | Before the intervention, mean difference (95% CI) | After 12 weeks of intervention, mean difference (95% CI) | Before the intervention, mean difference (95% CI) | After 12 weeks of intervention, mean difference (95% CI) | ||
| Intention-to-treat analysis of the complete cases (n=162) |
22.73 (18.75-25.04) | 22.96 (19.31-24.17) | 21.58 (17.35-24.12) | 22.94 (18.05-23.98) | 21.42 (17.11-24.74) | 23.83 (17.79-25.66) | .03 |
| Per-protocol analysis (n=153) |
21.80 (17.66-26.51) | 21.98 (15.39-26.47) | 21.51 (15.91-25.92) | 22.99 (17.05-26.41) | 20.84 (16.38-27.84) | 24.11 (16.59-27.35) | .03 |