Table 4 Disease parameters in WG patients
Vaccinated WG patients n  =  49Non-vaccinated WG patients n  =  23
ANCA titre, median (range)
    Before vaccination40 (0–1280)80 (0–1280)
    After 1 month80 (0–1280)160 (0–1280)
    After 3–4 months40 (0–1280)80 (0–1280)
Fourfold increase in ANCA (%)
    After 1 month5 (10.2%)4 (17.4%)
    After 3–4 months3 (6.2%)2 (9.1%)
VAS, mean (SD)
    Before vaccination1.9 (2.0)2.0 (1.8)
    After 1 month1.8 (2.2)1.8 (2.3)
    After 3–4 months1.9 (2.1)1.6 (1.9)
  • Fourfold increases in the antineutrophil cytoplasmic autoantibody (ANCA) titre: as compared with ANCA titres at entry. VAS, visual analogue score; WG, Wegener’s granulomatosis.