Table 4

Homogeneity of SHSs between readers (multireader and reference assessments)

ScoreSHSΔSHSΔSHS-5SRP
Total0.67 (0.63 to 0.72)0.86 (0.79 to 0.89)0.89 (0.84 to 0.98)0.99 (0.98 to 0.99)
Hands0.65 (0.59 to 0.69)0.85 (0.77 to 0.90)0.98 (0.98 to 0.99)0.98 (0.95 to 0.99)
Feet0.68 (0.59 to 0.75)0.81 (0.72 to 0.88)0.98 (0.97 to 0.99)0.99 (0.95 to 0.99)
Erosion0.63 (0.59 to 0.67)0.76 (0.68 to 0.82)0.96 (0.87 to 0.98)0.98 (0.96 to 0.99)
JSN0.69 (0.62 to 0.75)0.85 (0.79 to 0.89)0.98 (0.98 to 0.99)0.96 (0.87 to 0.99)
  • Data are ICC (95% CI).

  • ICC, intraclass correlation coefficient; JSN, joint space narrowing; SHS, van der Heijde-modified Sharp score; ΔSHS, SHS change between month 0 (M0) and M60; ΔSHS-5, SHS change between M0 and M60>5; SRP, significant radiographic progression.