Evidence Table 16Patient Risk Factors – Stroke

Bibliographic referenceStudy TypeEvidence levelNo. of patientsPatients characteristicsExposureLength of follow up/exposureOutcome measuresEffect sizeComments
Rocha et al., 2007556Systematic review

1 RCT

1 cohort study
2+RCTs = unclear

Cohort = 17552
Hospitalised patients with acute strokeIschaemic or haemorrhagic strokeNot reportedIncidence of DVT in the absence of prophylaxisDVT by fibrinogen uptake test= 75% (No confidence intervals)
(1 study)
Definition and diagnosis of VTE not provided.

No diagnosis method for DVT and PE are reported.
Risk estimate for VTE in haemorrhagic stroke compared with ischaemic strokeOdd ratio: 2.6 (95% CI: 1.5–4.6)
(1 study)

From: Appendix D, Evidence tables

Cover of Venous Thromboembolism
Venous Thromboembolism: Reducing the Risk of Venous Thromboembolism (Deep Vein Thrombosis and Pulmonary Embolism) in Patients Admitted to Hospital.
NICE Clinical Guidelines, No. 92.
National Clinical Guideline Centre – Acute and Chronic Conditions (UK).
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