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Table 5 Correlation of the inflammatory components of the bilateral (PsASon22) and unilateral (PsASon13) ultrasound composite scores, and the 68-joint/14-entheses score with clinical parameters

From: Ultrasound composite scores for the assessment of inflammatory and structural pathologies in Psoriatic Arthritis (PsASon-Score)

  Score PASDAS CPDAI DAPSA Ptpain PGA EGA CRP ESR
GSS/GSE PsASon22 0.25* NA 0.31** NA NA 0.29** 0.21† 0.32**
PsASon13 0.22* 0.19† 0.28* 0.19† NA 0.19† 0.21† NA
68joint/14enthes 0.33** 0.22† 0.41*** 0.22* 0.24* 0.30** 0.28* 0.41***
PD-j/e PsASon22 0.22* NA 0.23* NA 0.24* 0.22* NA 0.37**
PsASon13 NA NA NA NA NA 0.19† NA 0.26*
68joint/14enthes 0.28* NA 0.26* NA 0.24* 0.28* NA 0.34**
GS-Teno PsASon22 NA NA NA NA NA NA NA NA
PsASon13 NA NA NA NA NA NA NA NA
68joint/14enthes NA NA NA NA NA NA NA 0.26*
PDNATeno PsASon22 NA NA NA NA NA NA NA 0.40***
PsASon13 NA NA NA NA NA NA NA 0.29**
68joint/14enthes 0.31** NA 0.28* 0.22* 0.28* 0.28* 0.30** 0.53***
GS-Perisyn PsASon22 NA NA NA NA NA NA NA NA
PsASon13 NA NA NA NA NA NA NA NA
68joint/14enthes NA NA NA NA NA NA NA NA
PD-Perisyn PsASon22 NA NA NA NA NA NA NA NA
PsASon13 NA NA NA NA NA NA NA NA
68joint/14enthes NA NA NA NA NA NA NA NA
GUIS PsASon22 0.24* NA 0.28* NA 0.19† 0.25* 0.19† 0.35**
PsASon13 NA NA 0.22* NA NA NA NA 0.19†
68joint/14enthes 0.36** NA 0.39*** 0.19† 0.28* 0.33** 0.26* 0.44***
  1. Data indicate the correlation of the inflammatory components of the bilateral and unilateral ultrasound composite scores and the 68-joint/14-entheses score with clinical measures of disease activity. CPDAI, composite psoriatic disease activity index; CRP, C-reactive protein; DAPSA, disease activity index for psoriatic arthritis; EGA, evaluator’s global assessment of disease activity; ESR, erythrocyte sedimentation rate; GS-Peri, grey scale perisynovitis; GS-Teno, grey scale tenosynovitis; GSS/GSE, grey scale synovitis/grey scale enthesitis ultrasound score; GUIS, global ultrasound inflammation subscore; PASDAS, modified psoriatic arthritis disease activity score; PD-j/e, power Doppler scores at joints/entheses; PD-Peri, power Doppler Perisynovitis; PD-Teno, power Doppler Tenosynovitis; PGA, patients’ global assessment of disease activity; Ptpain, patients’ pain assessment. ***P <0.001; **P <0.01; *P <0.05; †P <0.1; NA, no significant association found.