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Table 2 Number of patients and percentage of each parameter according to IKDC

From: Joint effusion, anteroposterior stability, muscle strength and degree of patellofemoral osteoarthritis significantly impact outcome following revision ACL reconstruction

Parameter Normal (A) Nearly normal (B) Abnormal C Severly abnormal (D)
Effusion 46 (65.7%) 20 (28.6%) 4 (5.7%) 0
Donor site morbidity 28 (40%) 36 (51.4%) 6 (8.6%) 0
Crepitus patellofemoral 22 (31.4%) 0 46 (68.6%) 2 (2.8%)
Crepitus medial compartment 56 (80%) 0 13 (18.6%) 1 (1.4%)
Crepitus lateral compartment 63 (90%) 0 7 (10%) 0
Lack of flexion 37 (52.9%) 31 (44.2%) 2 (2.8%) 0
Lack of extension 34 (48.6%) 20 (28.6%) 15 (21.4%) 1 (1.4%)
Lateral joint opening 48 (68.6%) 21 (30%) 1 (1.4%) 0
Medial joint opening 57 (81.4%) 10 (14.3%) 3 (4.3%) 0
Lachman test (25° flexion) 15 (21.5%) 47 (67.2%) 7 (10%) 1 (1.4%)
Anterior drawer (90° flexion) 16 (22.9%) 48 (68.6%) 5 (7.1%) 1 (1.4%)
Ligament evaluation (instrumented side to side difference) 15 (21.4%) 48 (68.6%) 6 (8.6%) 1 (1.4%)
Posterior drawer (90°flexion) 69 (98.6%) 0 0 1 (1.4%)
Pivot-shift test 51 (72.9%) 10 (14.3%) 7 (10%) 2 (2.8%)
External rotation (30° flexion) 41 (58.6%) 26 (37.1%) 3 (4.3%) 0
External rotation (90° flexion) 64 (91.4%) 3 (4.3%) 3 (4.3%) 0
One leg hop test 29 (41.4%) 20 (28.6%) 6 (8.6%) 15 (21.4%)