Table 6

Correlation of total magnetic resonance score or endoscopic scores with clinical and biological markers of disease activity in ulcerative colitis and Crohn's disease

Ulcerative colitis group (n=35)
Spearman's (r)95% CIp Value*Spearman's (r)95% CIp Value*p Value
IBD activity markersMR-score-TMBS-TMR-score-T versus MBS-T
Walmsley index0.6780.446 to 0.825<0.00010.8990.728 to 0.965<0.00010.05
C-reactive protein0.7660.574 to 0.879<0.00010.8560.613 to 0.951<0.00010.43
Haemoglobin−0.400−0.650 to −0.0710.02−0.496−0.796 to −0.0010.050.72
Haematocrit−0.403−0.652 to −0.0750.02−0.495−0.796 to 0.0010.050.73
Platelet count0.4840.175 to 0.7070.0040.5200.033 to 0.8080.040.88
Serum iron−0.473−0.702 to −0.1550.006−0.624−0.861 to −0.1640.010.52
Albumin−0.459−0.714 to −0.0960.02−0.454−0.804 to 0.1300.120.99
Crohn's disease group (n=61)
IBD activity markersMR-score-TSES-CDMR-score-T versus SES-CD
CDAI0.3670.127 to 0.5670.0040.6250.359 to 0.7970.00010.12
C reactive protein0.3600.119 to 0.5610.0040.5600.268 to 0.7580.00070.26
Haemoglobin−0.446−0.627 to −0.2190.0003−0.674−0.826 to −0.430<0.00010.13
Haematocrit−0.426−0.612 to −0.1950.0006−0.645−0.809 to −0.3880.00010.17
Platelet count0.241−0.011 to 0.4650.060.4150.0842 to 0.6640.020.38
Serum iron−0.450−0.636 to −0.2150.0004−0.582−0.776 to −0.2860.00060.44
Albumin−0.387−0.668 to −0.0080.046−0.782−0.924 to −0.4490.00060.07
  • * Spearman's rho rank correlation test.

  • Comparison of correlation coefficients.

  • IBD, inflammatory bowel disease; MR-score-T, total magnetic resonance score; SES-CD, simplified endoscopic activity score for Crohn's disease.