Significant Differences in Markers of Oxidant Injury between Idiopathic and Bronchopulmonary-Dysplasia-Associated Pulmonary Hypertension in Children

Table 3

Hemodynamics of subjects in catheterization laboratory^¶.

	IPH	PH due to BPD	ASD controls	P value
								IPH versus BPD
N	4	12	5
RVP/LVP (%)	83 (80–1.1)	46 (38–59)	.24 (.22–.25)	.08^*
Pulmonary vascular resistance (WUs)^†	17.2 (16.2–19.6)	4 (3.5–5.4)	1.4 (1.1–1.6)	.08^*
Mean PAP^†† (mmHg)	61 (53–63)	25 (22–36)	17 (14–19)	.08^*
RVEDP^‡ (mmHg)	10 (8–10)	7.5 (6.3–9)	8 (7.5–8.5)	.26^*
LVEDP^6 (mmHg)	8 (8–9)	8 (7–9)	10 (8–10)	.99^*
Cardiac index (L/min/m^2)	3.6 (3.1–3.6)	3.6 (3.5–3.8)	3.0 (2.7–3.5)	.99^*
Qp : Qs^§	.87 (0.8-.94)	1.0 (1.0-1.0)	2.1 (1.6–4.1)	.53^*
Baseline FiO2(%)	21 (21–26)	21 (21-22)	21 (21–21)	.52^*
ASD (# patients)	2	7	5	.62^**

^*Value based on Mann-Whitney U test.
^**Value based on Fisher’s exact test.
^†Indexed to body surface area.
^††Pulmonary artery pressure.
^‡Right ventricular end diastolic pressure.
^‡‡Left ventricular end diastolic pressure.
^§Ratio of pulmonary to systemic blood flow.
^¶Interval data expressed as median (IQR).