Abstract：Objective To analyze the sex and age，characteristic of patients suffering ankle fracture as well as its lateral and seasonal distribution.Methods According to the database of Nanjing Drum Tower Hospital，the clinical data of 1080 ankle fracture cases from January 2005 to December 2016 were collected and analyzed.The sex and age characteristic，as well as lateral and seasonal distribution were analyzed statistically.Results There were 598 male patients (55.4％，598/1 080) and 482 female patients (44.6％，482/1 080) in 1080 patients suffering ankle fracture totally.The incidence of ankle fracture in men under the age of 60 (62.2％，460/740) was more than that in women (37.8％，280/740).Besides，women over 60 years old (59.4％，200/340) was more likely suffering from ankle fracture than men of the same age (40.6％，138/340).The incidence rate of left ankle fractures (45.4％，496/1 080) is lower than that of right ones (51.0％，551/1 080).When comparing with other age groups，men from 30 to 59 years old and women from 60 to 69 years old have a higher risk of ankle fracture.The incidences in 14～19 years old and over 70 years old groups in winter were relatively high，while 20～29，30～39，40～49，50～59 year-old groups were relatively uniform distribution in all seasons.Conclusion Ankle fractures，which is prone to be the right side，are more commom in men under 60 years old and women over 60 years old. Adolescents and the elderly are relatively easy to suffer，the remaining present a uniform distribution in all seasons.
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