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Fig. 4 Plot of mean superoinferior base of appendix-iliac crest distance
(cm) as function of weeks of gestation. Diamonds (
) represent
individual measurements made from MR images. Solid line represents best fit to
data using standard least-squares method. The Pearson's correlation
coefficient for these data is r = 0.64, thus indicating moderate
positive correlation. SI = superoinferior.