Described are methods for improving oxygen saturation in patients suffering from hypoxemia, wherein said patients are receiving a continuous flow of oxygen at 10L/min and exhibit an initial oxygen saturation of at lest about 88%, comprising administering inhaled nitric oxide to said patients in an outpatient setting. Methods for improving quality of life for a hospitalized patient, reducing patient hospitalization time, and reducing costs associated with patient hospitalization are also described.本發明係關於改善患低血氧症的患者中血氧飽和濃度之方法，其中該患者正接受10 L/min的持續流動之氧氣並展現至少約88%的初始血氧飽和濃度，該方法包含在門診時對該患者投予吸入性一氧化氮。本發明也關於改善住院患者生活品質、減少患者住院時間、和減少患者住院相關費用之方法。
