Arginine vasopressin levels in nursing home residents with nighttime urinary incontinence.

Objectives: To examine the relationship between diurnal urine volume and plasma arginine vasopressin levels (AVP) in nursing home residents with nighttime urinary incontinence and a comparison group of frail but nondemented, continent geriatric board and care residents.

Design: Case series.

Setting: Four nursing homes and two board and care facilities.