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Table 4 Relative risk of VTE after RCC diagnosis, by recent VTE history a

From: Older renal cell cancer patients experience increased rates of venous thromboembolic events: a retrospective cohort study of SEER-Medicare data

n = 11,950

DVTb

PEb

OTEb

 

HR (95% CI)

HR (95% CI)

HR (95% CI)

Overall hazard ratios

5.2 ( 4.4-6.3)

18.8 (13.0-27.5)

7.1 (5.5-9.2)

P-Value c

<0.001

<0.001

<0.001

Effect measure modifiers

   

Kidney disease

   

Yes

3.8 (2.9-5.1)

ns

3.9 (2.5- 6.4)

No

6.8 (5.4-8.7)

ns

10.2 (7.5-14.0)

P-Value

0.003

0.432

<0.001

Sex

   

F

ns

ns

3.4 (2.1- 5.6)

M

ns

ns

11.5 (8.4-15.7)

P-Value

0.818

0.239

<0.001

  1. aAll models adjusted for atherosclerosis, kidney disease, and sex. Hazard ratios compared the risk of a VTE in the 12 months after diagnosis for those with versus without a recent history of the specific VTE of interest. Results from SEER-Medicare Data (1991–2003).
  2. bDVT = Deep Vein Thrombosis; PE = Pulmonary Embolism; OTE = Other thromboembolic event. OTE category includes the following diagnoses: central retinal vein occlusion, venous tributary (branch) occlusion, Nonpyogenic thrombosis of intracranial venous sinus, phlebitis/thrombophlebitis of superficial vessels of lower extremities, phlebitis/thrombophlebitis of superficial veins of upper extremities, phlebitis/thrombophlebitis of other sites, gout with other specified manifestations, Budd-Chiari syndrome, and venous embolism/thrombosis of renal vein.
  3. cP-Value for the difference between stratum specific estimates.
  4. ns = no statistically significant difference between strata.