Table 1.
Summary of the 2D and 3D measurements in mm for the two observers at Time 0 and Time 1 (30 days after Time 0)
| Parameter measured (mm) | Observer 1 | Observer 2 | Observer 1 (T0 + T1) + Observer 2 (T0 + T1) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Time 0 | Time 1 | Time 0 | Time 1 | ||||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Range | |
| 2D measurements | |||||||||||
| Transepicondylar distance (TD) | 82.6 | 6.5 | 82.5 | 6.3 | 82.9 | 6.1 | 83.2 | 6.4 | 82.8 | 6.3 | 71.9–94-9 |
| Medial Femoral condyle AP dimension | 60.8 | 3.7 | 60.1 | 3.7 | 61.0 | 4.0 | 61.1 | 6.0 | 60.8 | 3.7 | 54.4–71.1 |
| Lateral Femoral condyle AP dimension | 61.7 | 4.2 | 61.6 | 4.2 | 62.0 | 4.2 | 62.1 | 4.6 | 61.9 | 4.2 | 54.5–70.4 |
| Proximal tibia ML dimension | 74.4 | 5.8 | 75.2 | 5.7 | 74.9 | 5.9 | 75.6 | 5.6 | 75.0 | 5.6 | 65.3–85.4 |
| Medial tibial plateau AP dimension | 47.0 | 3.7 | 46.4 | 3.8 | 52.5 | 4.2 | 48.5 | 4.6 | 48.6 | 3.8 | 42.3–58.7 |
| Lateral tibial plateau AP dimension | 45.1 | 3.8 | 45.3 | 3.9 | 45.9 | 4.0 | 44.8 | 3.8 | 45.3 | 3.7 | 39.6–52.2 |
| Tibial PCL insertion-trochlearcartilage distance | 81.5 | 5.8 | 81.4 | 6.0 | 80.3 | 5.4 | 82.5 | 6.0 | 81.4 | 5.7 | 71–97.7 |
| Patellar tendon length | 47.8 | 6.3 | 46.5 | 5.8 | 45.2 | 3.9 | 46.1 | 4.5 | 46.4 | 4.6 | 37.7–58.4 |
| 3D measurements | |||||||||||
| Intrarticular length of ACL graft | 37.5 | 4.2 | 37.5 | 3.8 | 39.9 | 3.5 | 38.6 | 4.2 | 38.3 | 3.5 | 31.6–45.4 |
| Outside-in femoral tunnel length | 34.1 | 3.5 | 33.2 | 3.0 | 34.8 | 3.0 | 35.1 | 3.0 | 34.3 | 2.9 | 29.2–40.2 |
| Outside-in anatomic ACL reconstruction | 69.4 | 5.9 | 70.9 | 5.7 | 74.1 | 5.9 | 73.7 | 6.6 | 72.0 | 5.7 | 61–81.6 |
| Saragaglia/Yamaguchi techniques | 125.6 | 11.2 | 123.5 | 9.4 | 120.6 | 8.1 | 121.9 | 9.6 | 122.9 | 9.0 | 107.1–142.2 |
| Anatomic Anterolateral ligament reconstruction | 52.6 | 5.3 | 51.3 | 4.3 | 45.6 | 3.3 | 48.2 | 4.6 | 49.4 | 3.5 | 42.9–58.4 |
| Lateral extrarticular tenodesis (anatomical femur) | 54 | 5.3 | 52.6 | 4.4 | 46.5 | 3.5 | 48.2 | 4.6 | 50.3 | 3.6 | 43.6–59.1 |
| Lateral extrarticular tenodesis (non-anatomical femur) | 69.9 | 6.9 | 73.4 | 5.8 | 65.5 | 5.3 | 70.4 | 4 | 69.8 | 4.6 | 61.7–78 |
| Over the top femoral position ACL reconstruction | 74.0 | 6.6 | 76.9 | 6.0 | 85.1 | 6.7 | 76.8 | 6.5 | 78.2 | 5.9 | 67.3–89 |
| Marcacci technique | 139.5 | 28.6 | 150.3 | 10.7 | 150.5 | 10.8 | 147.2 | 9.8 | 146.9 | 13.2 | 129.7–166.4 |
The last column includes the mean and SD obtained from the sum of Observer 1 (Time0) + Observer 1 (Time 1) + Observer 2 (Time0) + Observer 2 (Time 1)
SD Standard deviation, AP anteroposterior, ML mediolateral, PCL posterior cruciate ligament, ACL anterior cruciate ligament