Obstetric fistula is the presence of a hole between a woman's genital tract and either the urinary or the intestinal tract. Better knowledge of the risk factors for obstetric fistula could help in preventing its occurrence. The purpose of this study was to assess the characteristics of obstetric fistula patients. A retrospective and cohort study was used and 289 patients was taken from a hospital records. The study includes obstetric fistula patients who were recorded in the medical record room of cards which have the vital data and the patients with missing main data for the research were excluded. The results from the Weibull regression model revealed that older ages at first marriage, weight < 50 kg, height of > 150 cm, follow-up of antenatal care, delivery at health center, duration of labour for < 2 day, vaginal delivery, urban residence, accessing education, width of fistula < 5 cm, intact of urethra and duration of incontinent of urine <3 month significantly (p < 0.05) contribute to shorter stay in hospital to treated and physically cured than their counterparts. The average survival times of a patient stay in the hospital to treated and physically cured is 5.19 weeks. The finding of this study showed that age at first marriage, height, antenatal care, weight, place of delivery, mode of delivery, duration of labour, duration of incontinent of urine, educational status, residence width of fistula, and status of urethra were influential affecting recovery time of obstetric fistula patient at the Hospital.