Table 2.
Characteristics of Tears Left Untreated following Primary ACL Reconstruction, separated by Compartment†
| Medial |
Lateral |
p-value |
Combined |
|
| n (%) | 71 (34.1) | 137 (65.9) | 208 (100) | |
| Partial vs. Complete | 0.013!! | |||
| Partial | 67 (94.4) | 112 (81.8) | 179 (86.1) | |
| Complete | 4 (5.6) | 25 (18.2) | 29 (13.9) | |
| Anterior-Posterior Location | 0.086 | |||
| Anterior | 2 (2.8) | 0 (0) | 2 (1.0) | |
| Anterior + Posterior | 0 (0) | 2 (1.5) | 2 (1.0) | |
| Posterior | 69 (97.2) | 135 (98.5) | 204 (98.1) | |
| Coronal Location | 0.083 | |||
| Central + Middle + Peripheral Third | 0 (0) | 4 (2.9) | 4 (1.9) | |
| Central + Middle Third | 1 (1.4) | 10 (7.3) | 11 (5.3) | |
| Central Third | 5 (7.0) | 8 (5.8) | 13 (6.3) | |
| Middle + Peripheral Third | 5 (7.0) | 14 (10.2) | 19 (9.1) | |
| Middle Third | 15 (21.1) | 39 (28.5) | 54 (26.0) | |
| Peripheral Third | 45 (63.4) | 62 (45.3) | 107 (51.4) | |
| Tear Type | 0.091 | |||
| Complex | 1 (1.4) | 6 (4.4) | 7 (3.4) | |
| Horizontal | 0 (0) | 1 (0.7) | 1 (0.5) | |
| Longitudinal(vertical) | 64 (90.1) | 105 (76.6) | 169 (81.3) | |
| Oblique | 3 (4.2) | 21 (15.3) | 24 (11.5) | |
| Radial | 3 (4.2) | 4 (2.9) | 7 (3.4) | |
| Length, mm (continuous)* | 9.2 ± 2.9 | 9.5 ± 3.9 | 0.520 | 9.4 ± 3.6 |
| Length (categorical) | 0.314 | |||
| < 10 mm | 29 (40.8) | 66 (48.2) | 95 (45.7) | |
| ≥ 10 mm | 42 (59.2) | 71 (51.8) | 113 (54.3) | |
| Degenerative Tear | 0.450 | |||
| No | 67 (94.4) | 132 (97.1) | 199 (96.1) | |
| Yes | 4 (5.6) | 4 (2.9) | 8 (3.9) |
†
Values listed as number (%) except where noted.
*
Listed as mean ± standard deviation.
!!
Indicates statistical significance.