Table 2.

Multivariate logistic regression

CharacteristicOdds Ratio (95% CI)P Value
Age of onset, yr1.02 (0.99 to 1.07)0.21
Female sex1.12 (0.36 to 3.61)0.85
BMI, kg/m21.18 (1.08 to 1.31)<0.001a
PR3-ANCA4.77 (1.32 to 20.77)0.02a
Hypoalbuminemia5.84 (1.78 to 20.69)0.004a
RPGN2.60 (0.80 to 8.72)0.11
BVAS level (low, medium, high, extreme)1.17 (0.57 to 2.44)0.68
  • BMI, body mass index; PR3, proteinase-3; RPGN, rapidly progressive GN; BVAS, Birmingham Vasculitis Activity Score.

  • a Statistically significant (P<0.05).