Lesion | Per subject | Ilium R+L | Sacrum R+L | P-value Ilium versus Sacrum | |
---|---|---|---|---|---|
AS patients (number = 30) | |||||
Frequency: median (IQR)a | ER | 11.4 (9.0) | 8.6 (6.9) | 2.1 (2.9) | < 0.0001 |
BME | 13.1 (15.1) | 6.8 (10.4) | 5.1 (7.9) | 0.67 | |
FI | 10.9 (11.7) | 4.5 (5.3) | 5.6 (7.0) | 0.06 | |
EE | 1.1 (1.4) | 1.0 (1.0) | 0.0 (0.3) | < 0.0001 | |
BF | 1.0 (1.3) | 0.8 (1.3) | 0.0 (0.3) | < 0.0001 | |
% Concordance six RP: total (positive/negative)b | ER | 73.9 (56.9/16.9) | 80.0 (75.0/5.0) | 67.8 (38.9/28.9) | N/A |
BME | 85.0 (60.4/24.6) | 79.7 (60.3/19.4) | 90.3 (60.6/29.7) | N/A | |
FI | 69.7 (43.6/26.1) | 66.4 (35.3/31.1) | 73.1 (51.9/21.1) | N/A | |
EE | 75.7 (19.7/56.0) | 65.8 (32.5/33.3) | 85.6 (6.9/78.6) | N/A | |
BF | 80.0 (13.8/66.3) | 70.3 (24.7/45.6) | 89.7 (2.8/86.9) | N/A | |
Controls (number = 30) | |||||
Frequency: median (IQR)a | ER | 0 (0.4) | 0 (0.3) | 0 (0.0) | 0.02 |
BME | 0.1 (0.9) | 0 (0.4) | 0 (0.3) | 0.81 | |
FI | 0 (2.1) | 0 (0.9) | 0 (0.2) | 0.26 | |
EE | 0 (0.0) | 0 (0.0) | 0 (0.0) | N/A | |
BF | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0.98 | |
% Concordance six RP: total (positive/negative)b | ER | 92.1 (0.8/91.3) | 87.8 (1.4/86.4) | 96.4 (0.3/96.1) | N/A |
BME | 89.3 (1.9/87.4) | 88.6 (2.2/86.4) | 90.0 (1.7/88.3) | N/A | |
FI | 83.8 (2.9/80.8) | 80.3 (4.7/75.6) | 87.2 (1.1/86.1) | N/A | |
EE | 100.0 (0.0/100.0) | 100.0 (0.0/100.0) | 100.0 (0.0/100.0) | N/A | |
BF | 98.7 (0.2/98.5) | 98.1 (0.3/97.8) | 99.2 (0.0/99.2) | N/A |