A newborn (weight 3 kg, length 50 cm) has aortic valve annulus of 6.0 mm. One published report states the following normal values for aortic valve annulus in newborns of same body size: Mean 7.3 mm & Range of 6.38 mm – 8.22 mm (Range is reported as 2 standard deviations from the mean).
Question 1: What is the Z-score of our patient with 6.0 mm diameter?
Question 1: What is the Z-score of our patient with 6.0 mm diameter?
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