Table 1.

Clinical characteristics of surgical and device patients, shown as median (interquartile range)

	Device closure	Surgical closure	p Value
Number	43	19
Age (years)	6.1 (3.3–10.0)	3.3 (2.0–5.4)	0.008
Body surface area (m2)	0.8 (0.66–1.14)	0.62 (0.5–0.82)	0.02
Weight (kg)	20.2 (15.2–34.5)	13.9 (10.2–19.4)	0.004
ASD on TTE (mm)	12 (10–15)	13.5 (12–20)	NS
Balloon size (mm)	18 (15–22)
Size of device (mm)	19 (15–22)
Size at surgery (mm)		17.5 (14.5–23.0)

ASD, atrial septal defect; TTE, transthoracic echocardiogram.