borderline significancep = 0.041
Cystectomy and stage IV disease significantly increased the risk of VTE in BC patients; adjusted odds ratio (OR); OR 2.88 (95% CI 1.63–5.07), p < 0.001 and OR 4.41 (95% CI 1.85–10.50), p = 0.002, respectively, while chemotherapy was found to have borderline significance as a risk factor; OR 2.56 (95% CI 1.03–6.32), p = 0.041.