Table 2 Ultrasound Findings
From: Musculoskeletal ultrasound assessment in pediatric knee hypermobility: a case control study
All (n = 91) | H + P (n = 33) | H-P (n = 27) | NP (n = 31) | p-value | |
|---|---|---|---|---|---|
Synovial Effusion, n (%) | 52 (57) | 21 (64) | 14 (52) | 17 (55) | 0.714 |
Synovial Hypertrophy, n (%) | 18 (20) | 7 (21) | 4 (15) | 7 (23) | 0.715 |
Synovial Effusion/Hypertrophy Quant Scorea, mean (sd) | 1.1 (0.9) | 1.1 (0.9) | 0.8 (0.7) | 1.0 (1.0) | 0.488 |
Synovial Hyperemia, n (%) | 2 (2) | 1 (3) | 1 (4) | ||
Quadriceps Tendon Edema, n (%) | 9 (10) | 6 (18) | 0 (0) | 3 (10) | 0.070 |
Quadriceps Tendon Hyperemia, n (%) | 3 (3) | 1 (3) | 1 (4) | 1 (3) | 1.000 |
Quadriceps Tendon Tear, n (%) | 1 (1) | 1 (3) | |||
Quadriceps Tendon Enthesitis, n (%) | 1 (1) | 1 (3) | |||
Quad Tendon Width, Proximal, mm, mean (sd) | 5.1 (1.0) | 5.0 (0.9) | 5.0 (0.7) | 5.5 (1.1) | 0.144 |
Quad Tendon Width, Distal Insertion, mm, mean (sd) | 5.6 (0.8) | 5.5 (0.8) | 5.6 (0.8) | 5.7 (0.9) | 0.680 |
Patellar Tendon Edema, n (%) | 4 (4) | 3 (9) | 1 (3) | ||
Patellar Tendon Hyperemia, n (%) | 29 (32) | 17 (52) | 5 (19) | 7 (23) | 0.025 |
Patellar Tendon Tear, n (%) | 0 (0) | ||||
Patellar Tendon Enthesitis, n (%) | 0 (0) | ||||
Patellar Tendon Width, Proximal Origin, mm, mean (sd) | 4.1 (0.8) | 4.1 (0.7) | 4.2 (1.0) | 4.0 (0.8) | 0.546 |
Patellar Tendon Width, Distal Insertion, mm, mean (sd) | 4.60 (0.7) | 4.5 (0.6) | 4.6 (0.7) | 4.7 (0.7) | 0.810 |
Pat Tendon Width, Smallest Central, mm, mean (sd) | 3.0 (0.5) | 2.9 (0.4) | 3 (0.5) | 3.0 (0.5) | 0.817 |
Cartilage Thickness, mm, mean (sd) | 2.6 (0.7) | 2.9 (0.7) | 2.4 (0.5) | 2.6 (0.7) | 0.414 |
Any Finding, n (%) | 73 (80) | 31 (94) | 19 (70) | 23 (74) | 0.043 |