TABLE 1

Patient Characteristics

With Down Syndrome (N = 4350)Without Down Syndrome (N = 41 229)
Male, n (%)2013 (46.3)23 297 (56.5)
Age at surgery, median (IQR), mo5.2 (3.4–10.7)8 (1.1–51.6)
Length, median (IQR), cm61 (56–69)68 (53–102)
Weight, median (IQR), kg5.3 (4.3–7.6)7.3 (3.8–16.3)
Weight z score, median (IQR)−2.1 (−2.9 to −1.2)−0.9 (−1.9 to 0.1)