Table 5 Incidence rates and hazard ratios of venous thromboembolism (VTE) according to smoking status in cancer patients with localized, regional and distant metastasis, respectively.
VTE | IR (95% CI) | Model 1 HR (95% CI) | Model 2 HR (95% CI) | |
|---|---|---|---|---|
Cancer patients with localized metastasis | ||||
Never smoker | 22 | 7.3 (4.8–11.1) | Ref | Ref |
Current smoker | 21 | 7.0 (4.5–10.7) | 1.04 (0.56–1.94) | 1.09 (0.58–2.03) |
Cancer patients with regional metastasis | ||||
Never smoker | 22 | 13.4 (8.8–20.4) | Ref | Ref |
Current smoker | 38 | 21.7 (15.8–29.8) | 1.53 (0.89–2.64) | 1.50 (0.87–2.59) |
Cancer patients with distant metastasis | ||||
Never smoker | 19 | 40.6 (25.9–63.6) | Ref | Ref |
Current smoker | 47 | 61.3 (46.1–81.6) | 1.69 (0.97–2.96) | 1.66 (0.94–2.93) |
Cancer patients with unknown metastasis | ||||
Never smoker | 24 | 13.6 (9.1–20.1) | Ref | Ref |
Current smoker | 21 | 11.7 (7.6–17.9) | 1.07 (0.57–1.98) | 1.08 (0.58–2.03) |
