Fig. 3From: The radiological outcome in lumbar interbody fusion among rheumatoid arthritis patients: a 20-year retrospective studyRadiographic outcome measured at pre-OP, post-OP, and two-year follow-up amongst all RA patient. *, statistically significant between measurements (p < 0.05). APD, Anterior–Posterior Diameter; ADH, Anterior Disc Height; PDH, Posterior Disc Height; WI, Wedge Index; FH, Foraminal Height; FW, Foraminal WidthBack to article page