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Evid Based Nurs 6:22 doi:10.1136/ebn.6.1.22
  • Assessment (screening or diagnosis)

Doppler echocardiography was not accurate for diagnosing asymptomatic thrombosis associated with an umbilical venous catheter in infants

Test characteristics of Doppler echocardiography for diagnosis of asymptomatic thrombosis associated with an umbilical venous catheter in infants*

Observer Sensitivity (95% CI) Specificity (CI) +LR −LR
*+LR = likelihood ratio for a positive test result and −LR = likelihood ratio for a negative test result; CI, +LR, and −LR calculated from data in article.
Cardiologist A 21% (5 to 51) 91% (76 to 98) 2.36 0.86
Cardiologist B 43% (22 to 67) 76% (58 to 89) 1.77 0.75
Cardiologist C 21% (5 to 51) 94% (80 to 99) 3.54 0.84

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