Table 2.
Absolute and change values (mean (SD)), and mixed model ANOVA results at final follow up for primary and secondary outcome measures for home-based progressive resistance training (PRT) and standard rehabilitation (control) groups preoperatively following total hip replacement surgery
| Preoperativea | 9-12 months postoperatively | Change values (Difference between 9–12 months and baseline) | Mixed model ANOVA for change from baseline values effect (std. error) | |||||
|---|---|---|---|---|---|---|---|---|
| Primary Outcome | Home-based PRT n = 20 | Standard rehabilitation (control) n = 15 | Home-based PRT n = 13 | Standard rehabilitation (control) n = 13 | Home-based PRT n = 13 | Standard rehabilitation (control) n = 13 | Effect of Treatment SR > PRT | Effect of Time |
| MVCOLQ (N) | 172.30 (85.10) | 174.20 (70.30) | 247.40 (85.10) | 240.3 (87.4) | 58.31 (95.43) | 56.08 (61.66) | 10.38 (23.72) p = 0.065 | 26.50 (8.71) p = 0.001b |
| Secondary Outcomes (Exploratory analysis) | ||||||||
| ST | 9.30 (4.74) | 8.26 (4.80) | 13.21 (5.46) | 14.16 (5.47) | 3.64 (2.73) | 4.75 (4.04) | 1.43 (1.19) p = 0.239 | 1.37 (0.33) p = 0.0001b |
| Lean mass in grams (g) of the operated leg | 8265 (2326) | 7601 (1989) | 8769 (2109) | 7889 (2226) | 200.15 (800.58) | 194.08 (586.98) | 280 (419) p = 0.508 | 20 (204) p = 0.326 |
| TUG (s) | 13.47 (11.06) | 12.14 (6.90) | 8.64 (3.23) | 7.06 (1.31) | −3.74 (5.37) | −2.68 (2.35) | 0.09 (2.64) p = 0.972 | −1.44 (0.45) p = 0.0001 |
| SCP (s) | 13.74 (7.49) | 17.80 (10.99) | 8.32 (4.45) | 7.64 (2.70) | −6.69 (5.08) | −7.71 (6.99) | −5.67 (2.61) p = 0.038b | −3.41 (0.80) p = 0.0001b |
| 6MWT (m) | 269.80 (115.0) | 238.7 (110.5) | 352.4 (109.3) | 376.5 (49.9) | 84.52 (52.41) | 120.91 (88.59) | 86.39 (27.94) p = 0.004b | 45.61 (6.10) p = 0.0001 |
Key: MVCOLQ Maximal voluntary contraction of the operated leg quadriceps, ST Sit to stand, number of repetitions in 30 s, TUG Timed up and go test in seconds (s), 6MWT Six minute walk test in metres (m), SCP Stair Climb performance in seconds (s)
aNo statistically significant differences between groups
bStatistically significant