Abstract THU0393 –Table 1
Patient Category Number ASAS criteria Imaging arm Clinical arm
Sen Spec Sen Spec Sens Spec
All patients 24674.479.855.693.850.482.2
Patients diagnosed with confidence >7 for axSpA yes and <-4 for not axSpA (-10 to +10 scale) 19087.582.768.894.556.384.5
Patients with back pain ≥5 (0-10 scale) 16574.783.754.494.251.984.9
Patients with back pain <5 (0-10 scale) 8173.772.157.993.047.476.7
Patients with symptom duration ≥5 years 14378.185.753.495.756.285.7
Patients with symptom duration <5 years 10368.272.959.191.540.978.0
Males 12973.678.961.189.548.684.2
Females 11775.680.646.797.253.380.6