scholarly journals Development and validation of risk prediction algorithm (QThrombosis) to estimate future risk of venous thromboembolism: prospective cohort study

BMJ ◽  
2011 ◽  
Vol 343 (aug16 1) ◽  
pp. d4656-d4656 ◽  
Author(s):  
J. Hippisley-Cox ◽  
C. Coupland
Keyword(s):  
Cohort Study ◽  
Venous Thromboembolism ◽  
Risk Prediction ◽  
Prospective Cohort Study ◽  
Prospective Cohort ◽  
Prediction Algorithm ◽  
Future Risk ◽  
Development And Validation

scholarly journals Comparison of risk prediction scores for venous thromboembolism in cancer patients: a prospective cohort study

Haematologica ◽  
2017 ◽  
Vol 102 (9) ◽  
pp. 1494-1501 ◽  
Author(s):  
Nick van Es ◽  
Marcello Di Nisio ◽  
Gabriela Cesarman ◽  
Ankie Kleinjan ◽  
Hans-Martin Otten ◽  
...  
Keyword(s):  
Cohort Study ◽  
Venous Thromboembolism ◽  
Cancer Patients ◽  
Risk Prediction ◽  
Prospective Cohort Study ◽  
Prospective Cohort

Inter-observer reliability of a risk assessment model for venous thromboembolism in acutely-ill medical hospitalized patients: Results from a prospective cohort study

2021 ◽  
pp. 026835552110212
Author(s):  
Cassia RL Ferreira ◽  
Marcos de Bastos ◽  
Mirella L Diniz ◽  
Renan A Mancini ◽  
Yan S Raposo ◽  
...  
Keyword(s):  
Risk Factors ◽  
Cohort Study ◽  
Venous Thromboembolism ◽  
Prospective Cohort Study ◽  
Prospective Cohort ◽  
Risk Classification ◽  
Assessment Model ◽  
Kappa Statistics ◽  
Medical Patients ◽  
Observer Reliability

Objectives To analyze the inter-observer reliability of risk for venous thromboembolism (VTE) in a population of adult acutely-ill medical patients. Methods In this prospective cohort study, we collected risk factors and risk classification for VTE using RAM IMPROVE7. Kappa statistics was used to evaluate inter-observer reliability between lead clinicians and trained researchers. We evaluated occurrence of VTE in patients with mismatched classification. Results We included 2,380 patients, median age 70 years (interquartile range [IQR], 58-79), 56.2% female. Adjusted Kappa for VTE risk factors ranged from substantial (0.64, 95% confidence interval [CI], 0.61-0.67) for “immobilization”, to almost perfect (0.98; 95% CI 0.97-0.99) for “thrombophilia”; risk classification was 0.64 (95% CI 0.60-0.67). Divergent risk classification occurred in 434 patients (18.2%) of whom seven (1.6%) developed VTE. Conclusion Despite substantial to almost perfect reliability between observers for risk factors and risk classification, lead clinicians tended to underestimate the risk for VTE.

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