Table 4.

Quality assessment of identified studies according to QUADAS 2.

YearAuthorPatient SelectionRisk of BiasFlow and TimingApplicability Concerns
Index TestReference StandardPatient SelectionIndex TestReference Standard
MASEI
  2016Lackner28
  2015Hamdy36????
  2014Husic33
  2014Eder48
  2011de Miguel50
  2009Munoz-Fernandez24?
  2009de Miguel51
  2016Shenoy17
  2015Acquacalda59?
GUESS
  2013Hamdi38????
  2013Aydin56
  2011Ruta18
  2011Gutierrez40?
  2008Gisondi41
  2007Genc42?
  2006Borman53??
  2005Genc43?
  2002Balint3
  2013Bandinelli54?
  2016Rovisco20?
  2016Michelsen26
  2012Ash57?
  2015Ruta19
SEI
  2011Hamdi37?
  2007Alcalde5?
  2015Hu34
D’Agostino
  2016Perrotta21?
  2011D’Agostino52
  2003D’Agostino4
  2011Spadaro16
  2014Mouterde25?
  2012Marchesoni27?
BUSES
  2015Milutinovic6
  2015Janta31
  2012Freeston44?
  2010Naredo23?
PsASon
  2014Ficjan7
Other
  2016Kristensen29
  2012Feydy45?
  2011Naredo22
  2011Ibrahim32?
  2011Hu35??
  2006Kiris30?
  2003Falsetti46??
  2010Delle Sedie49?
Other uncommon sites
  2015El Miedany47?
  2016Ward15??
  2013Ali Ou Alla58??
  2012Gutierrez39?
  2016Zabotti14
  2013Aydin56?
  • ☺: Low risk of bias; ?: Unclear risk of bias;

  • ☹: High risk of bias; MASEI: Madrid Sonographic Enthesitis Index; GUESS: Glasgow Ultrasound Enthesitis Scoring System; SEI: Sonographic Entheseal Index; BUSES: Belgrade Ultrasound Enthesitis Score; PsASon: Ultrasound composite scores for the assessment of inflammatory and structural pathologies in psoriatic arthritis.