Individual clinical outcome measures in Psoriatic arthritis over time. The top left graph depicts the rapid response of Tender Joint Count (TJC) to commencement of treatment with a biologic agent. The top right shows similar response of Swollen Joint Count (SJC). The bottom left graph shows CRP mg/L decline with biologic therapy. The bottom right graph shows HAQ and its dramatic improvement. Time is shown as O for baseline and then 3, 6 and 12 months.