Table 2.
Instrumented Timed Up and Go variables at baseline and 6 months for the intervention and control groups
| Intervention Group | Control Group | Mean difference 95% CI | |||
|---|---|---|---|---|---|
| Baseline Median (IQR) |
Follow-up Median (IQR) |
Baseline Median (IQR) |
Follow-up Median (IQR) |
||
| Standing Acc (ms−2) | − 1.56 (0.91) | − 1.38 (0.58) | − 1.54 (0.58) | − 1.50 (0.73) | 0.01 (− 0.20, 0.22) |
| S2S duration (s) | 2.16 (0.63) | 2.10 (1.17) | 2.03 (1.04) | 1.94 (0.67) | − 0.33 (− 1.08, 0.41) |
| Walk 1 duration (s) | 4.44 (2.25) | 4.32 (3.08) | 4.05 (2.25) | 4.10 (2.10) | 0.77 (− 0.40, 1.94) |
| Walk 2 duration (s) | 3.81 (2.03) | 3.49 (2.63) | 3.51 (2.74) | 3.71 (3.11) | 0.28 (− 0.77, 1.32) |
| Turn 1 duration (s) | 2.54 (0.79) | 2.95 (0.73) | 2.70 (0.69) | 3.08 (0.67) | 0.22 (− 0.55, 0.98) |
| Turn 1 Vel (o/s) | 1.71 (0.62) | 1.79 (0.40) | 1.93 (0.81) | 1.70 (0.57)* | − 0.04 (− 0.21, 0.12) |
| Turn 2 Vel (o/s) | 1.80 (0.90) | 1.67 (0.82)* | 1.95 (0.91) | 1.61 (1.23) | − 0.30 (− 0.49, − 0.10) |
| AC Step walk 1 | 0.63 (0.52) | 0.59 (0.41) | 0.63 (0.40) | 0.59 (0.37) | − 0.38 (− 0.86, 0.11) |
| AC Stride walk 1 | 0.74 (0.54) | 0.62 (0.54) | 0.62 (0.43) | 0.53 (0.42) | − 0.42 (− 0.88, 0.05) |
| Step/Stride Ratio 1 | 1.02 (0.17) | 0.96 (0.34) | 1.05 (0.50) | 0.99 (0.40) | 0.09 (− 0.22, 0.40) |
| AC Step walk 2 | 0.79 (0.42) | 0.54 (0.47) | 0.52 (0.46) | 0.65 (0.49) | − 0.18 (− 0.37, 0.01) |
| AC Stride walk 2 | 0.79 (0.18) | 0.69 (0.34) | 0.68 (0.43) | 0.66 (0.34) | − 0.20 (− 0.40, − 0.00) |
| Step/Stride Ratio 2 | 0.98 (0.30) | 0.81 (0.37) | 0.87 (0.42) | 0.90 (0.49) | − 0.15 (− 0.32, 0.03) |
*p < 0.004. IQR; interquartile range, Acc Acceleration, S2S sit to stand, Vel Velocity, AC Autocorrelation