To examine the patterns and determinants of length of stay among residents of nursing homes of the Department of Veterans Affairs (VA), the authors conducted a retrospective follow-up study of all persons (n = 4,918) admitted to VA nursing homes between October 1986, and April 1987, using computerized records of the VA. Brief-stay (< 1 month; n = 1,139) residents had most often had previous admissions to VA nursing homes and were usually discharged alive from the nursing home. Medium-stay (1-6 months; n = 1,947) residents were the least functionally impaired and most likely to receive rehabilitative services. Long-stay residents (> 6 months; n = 1,832) were older and more functionally impaired than other residents. Medium- and long-stay residents of VA nursing homes most resembled "short-" and "long-stay" residents among non-VA nursing home residents, respectively. Brief-stay residents may be persons admitted for "respite" services or may be serial users of both VA and non-VA health services. Further study of this population may identify opportunities to decrease "revolving-door" use of nursing home services.