Observational Study
Copyright ©The Author(s) 2021.
World J Clin Cases. May 6, 2021; 9(13): 3014-3023
Published online May 6, 2021. doi: 10.12998/wjcc.v9.i13.3014
Table 1 Sensitivity and specificity of the Updated Sydney system
Measure
Atrophy class
Mild
Moderate
Severe
Sensitivity25%36%42%
Specificity100%100%100%
Patients with atrophy by the reference method, n836121
Patients with atrophy by the Updated Sydney system, n21351
Pseudo-negative results by the Updated Sydney system, n62370