Table 2

Pearson correlation coefficients (95% CI) among changes in histopathology scores and other measures of disease activity

GSVASRHINIMayo Clinic endoscopy scoreMayo Clinic total scorePRO2Mayo Clinic rectal bleeding score
MRS0.85
(0.81 to 0.89)
0.83
(0.78 to 0.87)
0.87
0.83 (0.90)
0.91
(0.88 to 0.93)
0.45
(0.33 to 0.56)
0.45
(0.32 to 0.56)
0.33
(0.19 to 0.45)
0.24
(0.10 to 0.38)
GS0.78
(0.71 to 0.83)
0.79
(0.72 to 0.84)
0.80
(0.74 to 0.85)
0.46
(0.34 to 0.57)
0.44
(0.32 to 0.55)
0.32
(0.18 to 0.44)
0.27
(0.12 to 0.40)
VAS0.90
(0.87 to 0.93)
0.87
(0.83 to 0.90)
0.46
(0.34 to 0.57)
0.41
(0.28 to 0.52)
0.29
(0.15 to 0.41)
0.20
(0.05 to 0.33)
RHI0.89
(0.85 to 0.91)
0.48
(0.35 to 0.58)
0.45
(0.32 to 0.56)
0.33
(0.19 to 0.45)
0.26
(0.11 to 0.39)
NI0.45
(0.33 to 0.56)
0.43
(0.30 to 0.54)
0.31
(0.17 to 0.43)
0.22
(0.08 to 0.36)
Mayo Clinic endoscopy score0.67
(58 to 0.74)
0.39
(0.25 to 0.50)
0.32
(0.18 to 0.44)
Mayo Clinic total score0.91
(0.88 to 0.93)
0.77
(0.70 to 0.82)
PRO20.84
(0.79 to 0.88)
  • GS, Geboes score; MRS, modified Riley score; NI, Nancy Index; PRO2, patient-reported outcome-2; RHI, Robarts Histopathology Index; VAS, Visual Analogue Scale.