. Author manuscript; available in PMC: 2013 Dec 1.

Published in final edited form as: J Pediatr. 2012 Jun 28;161(6):1126–1131.e2. doi: 10.1016/j.jpeds.2012.05.050

Table 1. Clinical characteristics of children with idiopathic PAH and healthy controls.

Variables	Idiopathic PAH	Healthy control
	(n=51)	(n=51)	p value
	mean +/− SD	mean +/− SD
Age (years)	11.7 +/−4.2	11.6 +/−4.1	0.90
Gender (male/female)	26/25	24/27	0.69
Body surface area (m²)	1.2+/−0.3	1.4 +/−0.4	0.02
Blood pressure (systolic) (mmHg)	102.5+/−10.4	104.0+/−9.8	0.43
Blood pressure (diastolic) (mmHg)	57.0+/−7.4	59.4+/−9.3	0.17
Heat rate at rest (/min)	82.2+/−17.6	80.6+/−13.8	0.62
Oxygen saturation at rest (%)	97.3+/−1.7	98.2+/−2.6	0.01

SD; standard deviations