Table 2.
Predictors of venous thromboembolism in the derivation cohort by multivariate logistic regression analysis
Patient characteristic | β | Odds ratio* (95% CI) |
---|---|---|
Site of cancer | ||
Very high risk (stomach, pancreas) | 1.46 | 4.3 (1.2-15.6) |
High risk (lung, lymphoma, gynecologic, genitourinary excluding prostate) | 0.43 | 1.5 (0.9-2.7) |
Low risk (breast, colorectal, head and neck) | 0.0 | 1.0 (reference) |
Prechemotherapy platelet count 350 × 109/L or more | 0.60 | 1.8 (1.1-3.2) |
Hemoglobin level less than 100 g/L or use of red cell growth factors | 0.89 | 2.4 (1.4-4.2) |
Prechemotherapy leukocyte count more than 11 × 109/L | 0.77 | 2.2 (1.2-4) |
BMI 35 kg/m2 or more | 0.90 | 2.5 (1.3-4.7) |
Odds ratios are adjusted for stage.