1. Thresholds of ultrasound synovial abnormalities for knee osteoarthritis – a cross sectional study in the general population 
A. Sarmanova, M. Hall, G.S. Fernandes, A.M. Valdes, D.A. Walsh, M. Doherty, W. Zhang 
Osteoarthritis and Cartilage 
Volume 27, Issue 3, Pages (March 2019)
DOI: /j.joca
Copyright © 2018 The Authors Terms and Conditions

2. Fig. 1
Recruitment of participants in the “Knee synovial changes detected by US in the general population: cross sectional study” (by the 28th of November 2016).
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2018 The Authors Terms and Conditions

3. Fig. 2
ROC curves for a continuous value of effusion (upper row) and hypertrophy (bottom row) in men (left) and women (right) for discriminating people with symptomatic RKOA from pain-free people without ROA. The red dot represents an optimal cut-off value with the highest Youden Index.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2018 The Authors Terms and Conditions

4. Fig. 3
A summary of normal values, high specificity and optimal thresholds for effusion and synovial hypertrophy.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2018 The Authors Terms and Conditions