Table 1.

Characteristics of three datasets.

Datasets	PAH	Tissue source	Normal	Tissue source	Platform
GSE113439	15	6 patients with idiopathic PAH, 4 patients with PAH secondary to connective tissue disease, 4 patients with PAH secondary to congenital heart disease, and 1 patient with chronic thromboembolic pulmonary hypertension	11	Tissue flanking lung cancer resections	GPL6244
GSE117261	58	Patients with PAH at transplant	25	Patients who do not have an appropriate recipient but still meet physiologic standards	GPL6244
GSE53408	12	The recipient's lung at the time of lung transplantation	11	Normal tissue of cancer patients undergoing surgery	GPL6244

PAH: pulmonary arterial hypertension.