Table 3.
Mean change (95% CI) at 6, 9, and 12 months for responder and nonresponder
| Responder | 6 months | 9 months | 12 months |
|---|---|---|---|
| TUG (%) | −33 (−48, −13) | −39 (−55, −17) | −31 (−52, −2) |
| First 10 feet walk speed during TUG (cm/s) | 14.9 (5.2, 24.7) | 20.4 (5.8, 34.7) | 11.6 (−3.0, 25.9) |
| TUG–short step length (cm) | 6.8 (0.9, 12.8) | 7.7 (1.8, 13.6) | 6.9 (0.9, 12.8) |
| TUG–long step length (cm) | 4.9 (−1.6, 11.3) | 5.4 (−1.6, 12.5) | 3.6 (−2.3, 9.6) |
| 1/TUG step duration (step/s) | 0.16 (0.08, 0.27) | 0.20 (0.08, 0.31) | 0.20 (0.08, 0.32) |
| T25FW speed (cm/s) | 15.3 (2.6, 27.9) | 16.6 (1.2, 32.0) | 17.6 (0.01, 35.2) |
| Nonresponder | |||
| TUG (%) | 17 (−25, 84) | 39 (−19, 138) | 47 (−20, 170) |
| First 10 feet walk speed during TUG (cm/s) | 0.6 (−9.1, 10.4) | −1.5 (−15.8, 13.1) | −0.6 (−15.2, 13.7) |
| TUG–short step length (cm) | −1.2 (−7.1, 4.7) | −4.6 (−10.5, 1.3) | −3.5 (−9.4, 2.4) |
| TUG–long step length (cm) | −2.0 (−8.5, 4.4) | −4.6 (−11.6, 2.4) | −5.3 (−11.2, 0.7) |
| 1/TUG step duration (step/s) | −0.02 (−0.25, 0.21) | −0.17 (−0.40, 0.06) | −0.16 (−0.39, 0.06) |
| T25FW speed (cm/s) | −4.7 (−12.8, 3.3) | −2.6 (−12.4, 7.2) | −3.4 (−14.6, 7.9) |
Abbreviations: CI, confidence interval; TUG, timed up and go; T25FW, timed 25-foot walk.