Fig. 3From: Optical spectral transmission to assess glucocorticoid therapy response in patients with arthritis: a longitudinal follow-up comparison with joint ultrasoundAssociations of OST with PDUS, GSUS, and swollen joint counts for both examination time-points [A, B, C: time-point (a) and D, E, F: time-point (b)]. All, *p<0.05. OST, optical spectral transmission; PDUS, power-Doppler ultrasound; GSUS, grayscale ultrasoundBack to article page