Table 1.

Comparison of ITAS 2010, ITAS-ESR, and ITAS-CRP scores and APR between patients with active and inactive disease, defined according to PGA and Kerr, et al2 in all visits. Values are mean ± SD [median (IQR)] or mean ± SD unless otherwise specified.

VariablesPGAKerr, et al
Active, n = 129Inactive, n = 160pActive, n = 18Inactive, n = 122p
ITAS20103.1 ± 5.1 [0 (0–24)]0.5 ± 1.7 [0 (0–15)]< 0.0015.6 ± 6.8 [2 (0–19)]0.8 ± 2.1 [0 (0–15)]< 0.001
ITAS-CRP4.0 ± 5.3 [2.5 (0–24)]0.8 ± 1.9 [0 (0–18)]< 0.0016.8 ± 6.8 [3.5 (0–22)]1.4 ± 2.4 [0 (0–16)]< 0.001
ITAS-ESR4.3 ± 5.1 [2 (0–24)]0.9 ± 2 [0 (0–18)]< 0.0015.9 ± 5.6 [3 (0–18)]1.6 ± 2.4 [1 (0–17)]< 0.001
ESR, mm/h35.9 ± 2117.8 ± 12.4< 0.00137.7 ± 18.426.5 ± 18.20.025
CRP, mg/l13.2 ± 19.24.9 ± 5.6< 0.00112.5 ± 13.9 [11 (0.1–54.3)]7.3 ± 9.6 [3.4 (0.2–58)]0.06
  • ITAS2010: Indian Takayasu Clinical Activity Score; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; APR: acute-phase reactants; PGA: physician’s global assessment; IQR: interquartile range; n: number of visits.