Arthritis group (n = 137 knee joints) | Control group (n = 66 knee joints) | |||||||
---|---|---|---|---|---|---|---|---|
B-Mode findings | ||||||||
 Region | Positive n (%) | Negative n (%) | Positive n (%) | Negative n (%) | P* | |||
30° | ||||||||
 Longitudinal | 133 (97.1) | 4 (2.9) | 4 (6.1) | 62 (93.9) | < 0.001 | |||
 Transverse | 131 (95.6) | 6 (4.4) | 4 (6.1) | 62 (93.9) | < 0.001 | |||
0° | ||||||||
 Longitudinal | 135 (98.5) | 2 (1.5) | 2 (3.0) | 64 (97.0) | < 0.001 | |||
 Transverse | 134 (97.8) | 3 (2.2) | 3 (4.5) | 63 (95.5) | < 0.001 | |||
 Long. Lateral | 118 (86.1) | 19 (13.9) | 2 (3.0) | 64 (97.0) | < 0.001 | |||
 Long. Medial | 106 (77.4) | 31 (22.6) | 1 (1.5) | 65 (98.5) | < 0.001 | |||
 PP-lateral | 122 (89.1) | 15 (10.9) | 2 (3.0) | 64 (97.0) | < 0.001 | |||
 PP-medial | 121 (88.3) | 16 (11.7) | 2 (3.0) | 64 (97.0) | < 0.001 | |||
Power-Doppler Mode findings | ||||||||
 30° | ||||||||
  Longitudinal | 72 (52.6) | 65 (47.4) | 0 (0) | 66 (100) | < 0.001 | |||
  Transverse | 88 (64.2) | 49 (35.8) | 0 (0) | 66 (100) | < 0.001 | |||
0° | ||||||||
 Longitudinal | 59 (43.4) | 77 (56.6) | 0 (0) | 66 (100) | < 0.001 | |||
 Transverse | 75 (54.7) | 62 (45.3) | 0 (0) | 66 (100) | < 0.001 | |||
 Long. Lateral | 93 (67.9) | 44 (32.1) | 1 (1.5) | 65 (98.5) | < 0.001 | |||
 Long. Medial | 69 (50.4) | 68 (49.6) | 0 (0) | 66 (100) | < 0.001 | |||
 PP-lateral | 94 (68.6) | 43 (31.4) | 1 (1.5) | 65 (98.5) | < 0.001 | |||
 PP-medial | 92 (67.2) | 45 (32.8) | 0 (0) | 66 (100) | < 0.001 |