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Figure 4 Prediction of Circulation at <26 Weeks Combining Physiological and Morphologic Scores

Prediction of eventual circulation before 26 weeks’ gestation by combining the right atrial pressure (RAP) score and score using the median TV z-score (medTV z-score >–3.95). The numbers in the figures refer to the individual cases, with boxes around the case number and a symbol identifying those who underwent fetal intervention. Normal z-score ranges are between +2 and –2. Circles = score of 0; squares = score of 1. Abbreviations as in Figures 1 and 2.