Table 1.

Comparison of preoperative and intraoperative characteristics between high-flow nasal cannula and nasal bilevel positive airway pressure groups

Preoperative/intraoperative characteristic	HFNC	N/BiPAP	P
Male, n (%)	25 (50)	26 (52)	0.5
Age (months), mean±SD	6.94±4.04	2.68±2.97	0.001
Weight (kg), mean±SD	6.05±2.37	3.83±1.34	0.001
CPB time (min), mean±SD	144±76.621	153.98±73.97	0.518
ACC time (min), mean±SD	81.06±50.143	91.38±52.38	0.317

CPB=Cardiopulmonary bypass, ACC=Aortic cross clamp, HFNC=Highflow nasal cannula, N/BiPAP=Nasal bilevel positive airway pressure, SD=Standard deviation