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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Am J Med. 2013 May;126(5):443–449. doi: 10.1016/j.amjmed.2012.12.016

Table 1.

Prevalence and characteristics of venous thromboembolism among 404 patients with sickle cell disease by genotype

Variable All patients (n = 404) Sickle cell anemia (n = 279) Sickle variant (n = 125) p value
Median age at 1st venous thromboembolism (years) 29.9 (15.9–81.0) 28.0 (15.9–63.5) 34.2 (16.9–81.0) 0.006
Any venous thromboembolism 101 (25.0) 63 (22.6) 38 (30.4) 0.093
 Deep venous thrombosis 74 (18.3) 51 (18.3) 23 (18.4) 0.977
 Pulmonary embolism 53 (13.1) 29 (10.4) 24 (19.2) 0.015
 Other venous thrombosis* 4 (1.0) 2 (0.7) 2 (1.6) 0.055
Non-catheter-related venous thromboembolism 76 (18.8) 43 (15.4) 33 (26.4) 0.009

All results expressed as number (percent) or number (range). Percentages do not add up to 100 because of overlap of groups.

*

Includes 3 patients with abdominal vein thrombosis and 1 patient with cerebral vein thrombosis.