AUC | LCL | UCL | Spec ≥ 80%, (n/N) | Sens, (n/N) | |
---|---|---|---|---|---|
Rotation (RoM) | 0.841 | 0.772 | 0.910 | 82.5 (33/40) | 71.6 (63/88) |
Rotation (RoK) | 0.795 | 0.711 | 0.879 | 82.5 (33/40) | 68.2 (60/88) |
Extension (RoM) | 0.819 | 0.746 | 0.891 | 82.5 (33/40) | 67.0 (61/91) |
Lateral flexion (RoK) | 0.783 | 0.697 | 0.870 | 82.5 (33/40) | 65.9 (58/88) |
Flexion (RoK) | 0.780 | 0.692 | 0.868 | 82.5 (33/40) | 63.8 (60/94) |
Extension (RoK) | 0.790 | 0.709 | 0.870 | 82.5 (33/40) | 62.6 (57/91) |
Lateral flexion (RoM) | 0.805 | 0.727 | 0.883 | 82.5 (33/40) | 59.1 (52/88) |
Flexion (RoM) | 0.801 | 0.723 | 0.880 | 82.5 (33/40) | 54.3 (51/94) |
BASMI | 0.748 | 0.664 | 0.831 | 82.5 (33/40) | 62.8 (59/94) |
BASFI | 0.689 | 0.590 | 0.788 | 80.6 (29/36) | 51.7 (46/89) |
PCS | 0.639 | 0.533 | 0.745 | 80.6 (29/36) | 45.2 (38/84) |
MCS | 0.512 | 0.404 | 0.620 | 80.6 (29/36) | 27.4 (23/84) |
ASAS | 0.593 | 0.484 | 0.702 | 84.2 (32/38) | 26.7 (24/90) |
ASDAS | 0.531 | 0.413 | 0.650 | 81.8 (27/33) | 22.8 (18/79) |
BAS-G | 0.538 | 0.429 | 0.647 | 84.2 (32/38) | 22.2 (20/90) |
BASDAI | 0.503 | 0.392 | 0.615 | 81.6 (31/38) | 16.7 (15/90) |
Comprehensive model (based on rotation [RoM]) | 0.854 | 0.787 | 0.921 | 82.5 (33/40) | 70.1 (61/87) |
Enlarged comprehensive model including BASFI | 0.857 | 0.783 | 0.931 | 80.6 (29/36) | 80.5 (66/82) |
ASDAS: Ankylosing Spondylitis Disease Activity Score; ASAS: Assessment of Spondyloarthritis international Society; AUC: area under the curve; BASDAI: Bath Ankylosing Spondylitis Disease Activity Score; BASFI: Bath Ankylosing Spondylitis Functional Index; BAS-G: Bath Patient Global Score; BASMI; Bath Ankylosing Spondylitis Metrology Index; ES: Epionics SPINE; LCL: lower confidence limit; MCS: mental component summary score of 12-item Short Form Health Survey; PCS: physical component summary score of 12-item Short Form Health Survey; ROC: receiver-operating curve; RoK: range of kinematics; RoM: range of motion; r-axSpA: radiographic axial spondyloarthritis; Sens: sensitivity; Spec: specificity; UCL: upper confidence limit.