She played a leading role in establishing a school of nursing at the missionary-founded Hsiang-Ya (Xiangya) Hospital.
[4] She wrote several articles about her experiences for readers of the American Journal of Nursing, sometimes illustrating them with photographs.
[citation needed] Her time in China was interrupted by World War I. Gage returned to the USA to join the faculty of the "Vassar Training Camp" which offered an intensive short course in 1918 for women students wishing to help with wartime nursing.
This was praised in the American Journal of Nursing as showing Gage's "breadth and generosity of mind".
At the end of her presidency she was responsible for the 1929 ICN Congress in Montreal where nurses from China were involved in planning and organising the event.
[7] She moved to Newport Hospital, Rhode Island in 1935 and stayed eight years as director of its school of nursing.