Effect sizes (95% CI) of clinical variables per treatment group of studies directly comparing different dosages/routes. Effect sizes (95% CI) of clinical variables per treatment group of studies directly comparing different dosages/routes. DAS28, disease activity score in 28 joints; ESR, erythrocyte sedimentation rate; HAQ, health assessment questionnaire; im, intramuscular; SJC, swollen joint count; TJC, tender joint count. K Visser, and D van der Heijde Ann Rheum Dis 2009;68:1094-1099 ©2009 by BMJ Publishing Group Ltd and European League Against Rheumatism