RT Journal Article SR Electronic T1 Practical Assessment of Psoriasis Clinical Severity in both Clinical Trials and Clinical Practice Settings: A Report from the GRAPPA 2016 Annual Meeting JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 691 OP 692 DO 10.3899/jrheum.170147 VO 44 IS 5 A1 Joseph F. Merola A1 Alice B. Gottlieb YR 2017 UL http://www.jrheum.org/content/44/5/691.abstract AB At the 2016 annual meeting of the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA), we presented the case for quantitatively assessing the extent of both psoriasis and psoriatic arthritis in the clinical setting, with a particular focus on the validation and expanded novel use of the PGAxBSA (static physician’s global assessment × body surface area of involvement) in the era of targeted metrics. Herein, we summarize our presentation.