Fig. 2From: PTGER4 gene variant rs76523431 is a candidate risk factor for radiological joint damage in rheumatoid arthritis patients: a genetic study of six cohortsForest plot representing the individual and pooled results of the effect of the PTGER4 rs76523431 variant in radiographic joint destruction. CI confidence interval, EAC Leiden Early Arthritis Clinic cohort, ES effect size, HCSC-RAC Hospital Clínico San Carlos rheumatoid arthritis cohort, NDB National Databank for Rheumatic Diseases, PAZ Hospital Universitario de La Paz early arthritis cohort, PEARL Princesa Early Arthritis Register Longitudinal study, PTGER4 prostaglandin E receptor 4Back to article page