Table 2.
Variable | Group | Pretest Value Mean ± SD | Posttest Value Mean ± SD | Mean Within-Group Time Difference (95% CI) | Mean Between-Group Difference, Change Over Time (95% CI) | Group × Time Interaction P |
---|---|---|---|---|---|---|
Primary variables | ||||||
6MWD (m) | WB | 378±72 | 404±78 | 27 (11 to 42) | ||
NWB | 418±106 | 417±112 | −2 (−18 to 14) | 29 (6 to 51) | .014 | |
Average daily step | WB | 4909±1398 | 5593±1449 | 685 (−29 to 1399) | ||
count (steps) | NWB | 6571±2186 | 6078±2023 | −493 (−1232 to 246) | 1178 (150 to 2205) | .026 |
Secondary variables | ||||||
Overall perception, | WB | 73.0±21.6 | 83.7±12.5 | 10.7 (1.8 to 19.5) | ||
FAAM (0–100) (%) | NWB | 79.5±16.8 | 85.2±13.7 | 5.7 (−3.8 to 15.2) | 5 (−8 to 17.9) | NS |
Beck Depression | WB | 7.7±5.8 | 5.8±4.8 | −1.9 (−4.1 to 0.3) | ||
Inventory (0−63) | NWB | 7.9±7.1 | 5.3±3.8 | −2.6 (−4.9 to −0.4) | 0.8 (−2.4 to 4.0) | NS |
Physical Performance | WB | 28.1±4.6 | 29.5±4.9 | 1.4 (0.04 to 2.8) | ||
Test (9 items; 36 max) | NWB | 27.1±4.6 | 28.7±4.2 | 1.6 (0.2 to 3.0) | −0.2 (−2.1 to 1.8) | NS |
Glycated hemoglobin | WB | 6.9±1.3 | 7.0±1.3 | 0.1 (−0.2 to 0.4) | ||
(HbA1c) (%) | NWB | 7.8±2.1 | 7.4±1.6 | −0.4 (−0.8 to −0.1) | 0.5 (0.03 to 0.96) | .037 |
Fat free mass | WB | 63.5±11.6 | 63.3±11.5 | −0.2 (−1.2 to 0.8) | ||
DXA (kg) | NWB | 57.3±11.6 | 57.9±11.9 | 0.6 (−0.5 to 1.6) | −0.8 (−2.2 to 0.6) | NS |
Plantar flexion | WB | 38.0±20.3 | 42.8±24.2 | 4.8 (−2.6 to 12.1) | ||
Peak torque (Nm) | NWB | 38.4±12.6 | 39.1±12.1 | 0.7 (−6.9 to 8.2) | 4.1 (−6.5 to 14.6) | NS |
Dorsiflexion | WB | 3.6±6.9 | 7.7±4.2 | 4.1 (1.7 to 6.5) | ||
Range of motion (deg) | NWB | 3.1±4.7 | 5.5±5.2 | 2.4 (−0.1 to 4.9) | 1.7 (−1.8 to 5.2) | NS |
Abbreviations: DXA, dual-energy x-ray absorptiometry; FAAM, Foot and Ankle Ability Measure; max, maximum; NS, not significant.