Ultrasound Measured Depth of Pelvic Free Fluid Correlates Well with Blood Loss Volume in Patients with Ectopic Pregnancy

Figure 1

ROC curves of haemorrhage volumes predicted by pelvic free fluid depths. The haemorrhage volumes were predicted by standardised pelvic free fluid depths evaluated by TVS and TAS in panel a, by the raw depth of TVS in panel b and raw depths of TAS in panel c separately. TAS: transabdominal ultrasonography; TVS: transvaginal Ultrasonography; Se: sensitivity; Sp: specificity. (a) Haemorrhage volume predicted by standardised depth measured by TVS and TAS, (b) haemorrhage volume predicted by raw depth measured by TVS, and (c) haemorrhage volume predicted by raw depth measured by TAS.

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(b)

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