Table 2.
Results of pre- and postoperative measurements and changes therein among control and LST groups
| Parameters | Control (n = 41) | LST (n = 41) | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Pre | Post | Change | Pre | Post | Change | p | ES | |
| Knee circumference (1 cm) (cm) | 39 (37, 41) | 43 (40, 45) | 10 (8, 12) | 40 (37, 41) | 43 (41, 44) | 9 (7, 10) | 0.00 | 0.65 |
| Knee circumference (10 cm) (cm) | 44 (41, 47) | 47 (44, 50) | 9 (4, 10) | 44 (41, 46) | 46 (44, 48) | 6 (3, 8) | 0.01 | 0.57 |
| Thigh volume (× 102 cm3) | 13 (11, 14) | 15 (13, 16) | 21 (13, 23) | 12 (11, 13) | 14 (13, 15) | 13 (12, 18) | 0.00 | 0.67 |
| Knee pain during the QST (mm) | 10 (0, 29) | 68 (30, 80) | 40 (20, 68) | 7 (0, 27) | 62 (41, 76) | 44 (17, 65) | 0.72 | 0.08 |
| Knee pain during the TUG (mm) | 20 (8, 40) | 30 (27, 60) | 20 (−10, 39) | 18 (5, 43) | 53 (43, 70) | 32 (2, 48) | 0.16 | 0.32 |
| Quadriceps strength (Nm/kg) | 1.2 (1.0, 1.5) | 0.4 (0.3, 0.5) | − 69 (−79, −59) | 1.3 (1.1, 1.4) | 0.5 (0.4, 0,7) | −57 (−63, −46) | 0.00 | 0.84 |
| TUG (s) | 7 (7, 8) | 18 (14, 22) | 137 (86, 191) | 7 (6, 8) | 14 (12, 18) | 97 (68, 132) | 0.00 | 0.68 |
Note. Results of pre- and postoperative measurements and changes therein are presented as median (IQR). p values are those for independent samples t-test or Mann-Whitney U test. ES indicates the effect size (Cohen’s d) quantifying difference in measurement changes between both groups
Abbreviation: LST low-intensity resistance exercise with slow movement and tonic force generation, ES effect size, TUG timed up and go test