Table 2.
Multiple comparisons according to follow-up time.
| Variables | Non-brace group (N = 42) | Brace group (N = 42) | P-valueb |
|---|---|---|---|
| IKDC | |||
| Preoperative | 50.4 (10.7) | 51.0 (14.1) | 0.5743 |
| 6 months | 67.2 (10.1)c | 69.0 (12.0)c | 0.4711 |
| 1 year | 78.5 (10.3)c | 77.6 (12.2)c | 0.7473 |
| 2 years | 86.9 (8.6)c | 83.2 (10.0)c | 0.0812 |
| P-valuea | <0.0001* | <0.0001* | |
| Lysholm score | |||
| Preoperative | 69.0 (14.9) | 67.0 (17.5) | 0.5743 |
| 6 months | 85.6 (9.4)c | 84.6 (10.7)c | 0.6716 |
| 1 year | 90.3 (7.6)c | 88.7 (12.1)c | 0.4765 |
| 2 years | 95.2 (5.2)c | 92.0 (7.8)c | 0.0408* |
| P-valuec | <0.0001* | <0.0001* | |
| Tegner activity scale | |||
| Preoperative | 3.4 (1.6) | 3.1 (2.3) | 0.3247 |
| 6 months | 4.3 (1.6) | 4.1 (1.7)c | 0.6249 |
| 1 year | 5.9 (1.8)c | 5.4 (2.2)c | 0.3201 |
| 2 years | 6.7 (1.8)c | 5.8 (1.9)c | 0.0402* |
| P-valuea | <0.0001* | <0.0001* | |
| VAS | |||
| Preoperative | 0 (0–8) | 0 (0–5) | 0.1662 |
| 6 months | 0 (0–5) | 0 (0–2) | 0.8589 |
| 1 year | 0 (0–2)c | 0 (0-0)c | 0.2925 |
| 2 years | 0 (0-0)c | 0 (0-0)c | – |
| P-valuec | 0.0005* | 0.0032* | |
| Normal extension, n (%) | |||
| Preoperative | 41 (97.6) | 42 (100) | 1.000 |
| 6 months | 41 (97.6) | 41 (97.6) | 1.000 |
| 1 year | 37 (100) | 41 (100) | – |
| 2 years | 35 (100) | 39 (100) | – |
| P-value# | 1.000 | 1.000 | |
| Normal flexion, n (%) | |||
| Preoperative | 41 (97.6) | 41 (97.6) | 1.000 |
| 6 months | 42 (100) | 42 (100) | – |
| 1 year | 37 (100) | 41 (100) | – |
| 2 years | 34 (97.1) | 39 (100) | 0.473 |
| P-value# | 0.455 | 1.000 | |
| Negative Lachman test, n (%) | |||
| Preoperative | 0 | 0 | 0.257 |
| 6 months | 42 (100) | 42 (100) | – |
| 1 year | 37 (100) | 41 (100) | – |
| 2 years | 35 (100) | 39 (100) | – |
| P-value# | <0.001* | <0.001* | |
| Negative Anterior drawer test, n (%) | |||
| Preoperative | 0 | 0 | 0.216 |
| 6 months | 32 (76.2) | 24 (57.1) | 0.104 |
| 1 year | 27 (73.0) | 23 (56.1) | 0.158 |
| 2 years | 25 (71.4) | 22 (56.4) | 0.229 |
| P-value# | <0.001* | <0.001* | |
| Negative Pivot shift test, n (%) | |||
| Preoperative | 0 | 0 | 0.055 |
| 6 months | 42 (100) | 42 (100) | – |
| 1 year | 37 (100) | 41 (100) | – |
| 2 years | 35 (100) | 39 (100) | – |
| P-value# | <0.001* | <0.001* | |
| Negative One Leg Hop test, n (%) | |||
| Preoperative | 1 (2.4) | 0 | 0.616 |
| 6 months | 0 | 1 (2.4) | 1.000 |
| 1 year | 6 (16.2) | 5 (12.2) | 0.862 |
| 2 years | 14 (40.0) | 8 (20.5) | 0.054 |
| P-value# | <0.001* | <0.001* | |
VAS = visual analogue scale.
a
p-value according to time comparisons,
b
p-value comparing between non-brace and brace groups.
c
Significant p-value <0.05 when compared to preoperative time, *significant p-value <0.05.