PT - JOURNAL ARTICLE AU - Dasgupta, Bhaskar AU - Cimmino, Marco A AU - Maradit-Kremers, Hilal AU - Schmidt, Wolfgang A AU - Schirmer, Michael AU - Salvarani, Carlo AU - Bachta, Artur AU - Dejaco, Christian AU - Duftner, Christina AU - Jensen, Hanne Slott AU - Duhaut, Pierre AU - Poór, Gyula AU - Kaposi, Novák Pál AU - Mandl, Peter AU - Balint, Peter V AU - Schmidt, Zsuzsa AU - Iagnocco, Annamaria AU - Nannini, Carlotta AU - Cantini, Fabrizio AU - Macchioni, Pierluigi AU - Pipitone, Nicolò AU - Amo, Montserrat Del AU - Espígol-Frigolé, Georgina AU - Cid, Maria C AU - Martínez-Taboada, Víctor M AU - Nordborg, Elisabeth AU - Direskeneli, Haner AU - Aydin, Sibel Zehra AU - Ahmed, Khalid AU - Hazleman, Brian AU - Silverman, Barbara AU - Pease, Colin AU - Wakefield, Richard J AU - Luqmani, Raashid AU - Abril, Andy AU - Michet, Clement J AU - Marcus, Ralph AU - Gonter, Neil J AU - Maz, Mehrdad AU - Carter, Rickey E AU - Crowson, Cynthia S AU - Matteson, Eric L TI - 2012 provisional classification criteria for polymyalgia rheumatica: a European League Against Rheumatism/American College of Rheumatology collaborative initiative AID - 10.1136/annrheumdis-2011-200329 DP - 2012 Apr 01 TA - Annals of the Rheumatic Diseases PG - 484--492 VI - 71 IP - 4 4099 - http://ard.bmj.com/content/71/4/484.short 4100 - http://ard.bmj.com/content/71/4/484.full SO - Ann Rheum Dis2012 Apr 01; 71 AB - The objective of this study was to develop EULAR/ACR classification criteria for polymyalgia rheumatica (PMR). Candidate criteria were evaluated in a 6-month prospective cohort study of 125 patients with new onset PMR and 169 non-PMR comparison subjects with conditions mimicking PMR. A scoring algorithm was developed based on morning stiffness >45 minutes (2 points), hip pain/limited range of motion (1 point), absence of RF and/or ACPA (2 points), and absence of peripheral joint pain (1 point). A score ≥4 had 68% sensitivity and 78% specificity for discriminating all comparison subjects from PMR. The specificity was higher (88%) for discriminating shoulder conditions from PMR and lower (65%) for discriminating RA from PMR. Adding ultrasound, a score ≥5 had increased sensitivity to 66% and specificity to 81%. According to these provisional classification criteria, patients ≥50 years old presenting with bilateral shoulder pain, not better explained by an alternative pathology, can be classified as having PMR in the presence of morning stiffness>45 minutes, elevated CRP and/or ESR and new hip pain. These criteria are not meant for diagnostic purposes.