Table 4:

Absolute risk of venous thromboembolism per 10 000 by exposure to urate-lowering therapy

VariableNPerson-yearsRate (95% CI)IRR (95% CI)IRR (95% CI) adjusted*
All periods
 Not exposed to ULT26866 16840.5 (35.9–45.7)1.001.00
 Exposed to ULT36380 79844.9 (39.7–48.5)1.10 (0.95–1.30)1.04 (0.89–1.23)
  • Note: CI = confidence interval, IRR = incidence rate ratio, ULT = urate-lowering therapy.

  • * Adjusted for age, gender, Charlson index calendar year, smoking status, hospital admission, deprivation, gout duration, hypertension, diabetes, acetylsalicylic acid use, thiazide use, alcohol consumption and body mass index.