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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

From: Does an early home-based progressive resistance training program improve function following total hip replacement? Results of a randomized controlled study

  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
  1. 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)
  2. aNo statistically significant differences between groups
  3. bStatistically significant