{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T22:25:38Z","timestamp":1792794338043,"version":"4.5.0"},"reference-count":28,"publisher":"S. Karger AG","issue":"3","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Fetal Diagn Ther"],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:p>&lt;b&gt;&lt;i&gt;Objective:&lt;\/i&gt;&lt;\/b&gt; To compare the accuracy of various sonographic estimated fetal weight (sEFW) formulas for the prediction of small for gestational age (SGA) neonates. &lt;b&gt;&lt;i&gt;Methods:&lt;\/i&gt;&lt;\/b&gt; A retrospective analysis of 6,126 fetal biometrical measurements performed within 3 days of delivery. SGA prediction was evaluated for various sEFW formulas by calculating the sensitivity, specificity, positive\/negative predictive value (PPV\/NPV), likelihood ratio (+LR\/-LR), overall accuracy and area under the receiver operating characteristic curve (AUC). Systematic error, random error, proportion of estimates &gt;10% of birth weights, actual and absolute weight differences were compared between SGA and non-SGA neonates. &lt;b&gt;&lt;i&gt;Results:&lt;\/i&gt;&lt;\/b&gt; Overall, 638 (10.4%) neonates were SGA. There was considerable variation among formulas in sensitivity (mean \u00b1 SD, 62 \u00b1 14.4%; range, 32.4-91.2), PPV (72.5 \u00b1 10.7%; 45.8-95.6) and +LR (24.2 \u00b1 10.9; 7.2-57.3), mild variation in specificity (96.6 \u00b1 2.7%; 87.4-99.4), NPV (94.6 \u00b1 5.3%; 72.2-98.9) and -LR (0.4 \u00b1 0.1; 0.1-0.7) and minimal variation in AUC (mean, 0.93; range, 0.91-0.93). The majority of formulas had a lower accuracy for the SGA neonates, with systematic error and random error ranging from -4.2 to 14.3% and from 8.4 to 12.9% for SGA, and from -8.7 to 16.1% and from 7.2 to 10.5% for non-SGA, respectively. &lt;b&gt;&lt;i&gt;Conclusion:&lt;\/i&gt;&lt;\/b&gt; sEFW formulas differ in their accuracy for SGA prediction. In our population, the most accurate formula for SGA prediction was Hadlock's formula utilizing femur length, abdominal and head circumference.<\/jats:p>","DOI":"10.1159\/000443881","type":"journal-article","created":{"date-parts":[[2016,3,5]],"date-time":"2016-03-05T02:20:35Z","timestamp":1457144435000},"page":"205-213","source":"Crossref","is-referenced-by-count":18,"title":["Prediction of Small for Gestational Age: Accuracy of Different Sonographic Fetal Weight Estimation 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