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Table 5 Correlation between musculoskeletal ultrasound scores and tumour necrosis factor inhibitor trough serum levels

From: Calprotectin and TNF trough serum levels identify power Doppler ultrasound synovitis in rheumatoid arthritis and psoriatic arthritis patients in remission or with low disease activity

  Total (n = 92) RA (n = 42) PsA (n = 50)
Adalimumab
 Doppler score −0.842a −0.898a −0.803a
 SH score −0.329 −0.447 −0.107
 Global score −0.547b −0.639b −0.423b
Etanercept
 Doppler score −0.649a −0.543b −0.791a
 SH score −0.024 −0.169 −0.052
 Global score −0.504b −0.251 −0.362
Infliximab
 Doppler score −0.178 −0.530 −0.076
 SH score −0.052 −0.667 −0.122
 Global score −0.132 −0.870b −0.060
  1. PsA psoriatic arthritis, RA rheumatoid arthritis, SH synovial hypertrophy
  2. Data presented are Spearman’s ρ correlations
  3. a p < 0.001
  4. b p < 0.05