02.05.2013 Views

Download het volledig rapport (302 p.) - KCE

Download het volledig rapport (302 p.) - KCE

Download het volledig rapport (302 p.) - KCE

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

<strong>KCE</strong> reports vol. 6A Prenatale zorg 198<br />

Study Ref Population Intervention Outcomes Results Comments Study type EL<br />

1990 second or third ultrasound specificity sensitivity and<br />

trimester followed by<br />

specificity: 100%<br />

bleeding or transvaginal False positives and 81%<br />

previous ultrasound within and false<br />

diagnosis of 24 hours negatives Transabdominal<br />

placenta praevia<br />

sensitivity and<br />

Findings at Cases of vaginal specificity: 79%<br />

delivery used as<br />

Âgold standardÊ<br />

bleeding and 39%<br />

Transvaginal false<br />

positive and false<br />

negative rate:<br />

29% and 0% (all<br />

false positive<br />

cases were<br />

marginal placenta<br />

praevia)<br />

Transabdominal<br />

false positive and<br />

false negative<br />

rate: 62% and<br />

20%<br />

None had vaginal<br />

bleeding in 12<br />

hours following<br />

scan

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!