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Doppler Color Scoring System in Women With an Incomplete Miscarriage: Interobserver and Intraobserver Reproducibility
Grace Ting Ting Leong1, Mathew Leonardi1, Chuan Lu2
1Acute Gynecology, Early Pregnancy & Advanced Endoscopic Surgery Unit, Sydney Medical School Nepean, University of Sydney Nepean Hospital, Penrith, Sydney, Australia.
Doppler Color Scoring (DCS) demonstrates good reproducibility for evaluating incomplete miscarriage. This ultrasound technique shows substantial to almost perfect agreement among observers, making it reliable for clinical use.
Area of Science:
- Reproductive Medicine
- Medical Imaging
- Gynecologic Ultrasound
Background:
- Doppler Color Scoring (DCS) is utilized to predict successful expectant management of incomplete miscarriage.
- Transvaginal sonography is a key imaging modality in assessing gynecological conditions.
Purpose of the Study:
- To evaluate the inter- and intraobserver reproducibility of the Doppler Color Scoring (DCS) system.
- To assess the reliability of DCS in women diagnosed with incomplete miscarriage via transvaginal sonography.
Main Methods:
- Prospective reproducibility study involving offline analysis of 32 transvaginal sonography video sets.
- Vascularization of retained products of conception assessed using the DCS system.
- Five gynecologic sonologists performed independent and repeat analyses to determine inter- and intraobserver agreement using Cohen's κ coefficient.
Main Results:
- Overall interobserver agreement for DCS allocation among 5 observers was substantial (κ = 0.626).
- Agreement between experienced observers and a reference standard was substantial (κ = 0.618), while inexperienced observers showed moderate agreement (κ = 0.521).
- Intraobserver agreement was substantial to almost perfect, with experienced observers achieving almost perfect agreement.
Conclusions:
- The Doppler Color Scoring (DCS) system exhibits moderate to substantial interobserver reproducibility.
- Intraobserver reproducibility for DCS was substantial to almost perfect.
- DCS is a reproducible tool for evaluating women with incomplete miscarriage.
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