TIC disorder of epidemiological data

1. Transient TIC disorder of epidemiological data
Due to the transient TIC disorder of TIC symptoms are more limited, to a lesser extent, the impact on daily activities and less easy to ignore. Currently, there is a lack of precise statistical data is generally believed that the prevalence rate of about 1%~7%, boys, onset age found in 3~8sui. 1981 Shapiro report, has 10~24% of children in childhood of a period will appears a had sexual of TIC symptoms; 2003 Sweden of Khalifa n, investigation has 4,479 name 7~15sui of in school children, under DSM-IV of diagnosis standard found which short sexual TIC obstacles of illness rate for 4.8%; in China Zhu Yan, 2003 years report Hunan Changsha city of 6~15sui of school-age children in the, short sexual TIC obstacles of illness rate for 7.7%.
2. Epidemiology of chronic motor TIC or vocal TIC disorder information
This type found in adults, but can occur in children and adolescents, its incidence is approximately 1%~2%. According to the 2003 Sweden Khalifa n chronic motor TIC disorder in school-aged children survey data such as the prevalence of 0.8%, the prevalence of chronic vocal TIC disorder 0.5%; Zhu Yan of China in Hunan in the 2003 report of school-age children, such as the prevalence of chronic motor or vocal TIC disorder 4.72%. TIC symptoms similar to the transient TIC disorder, most with eyes, facial muscles twitch as seen; chronic vocal TIC less seen, often characterized by repeated throat, nose, chest or abdominal contraction sound-absorbing.
3. Voice and various sports combined vocal and multiple motor tics of epidemiological data
TS can occur in various ethnic and social class, prevalence of 0. 1%~0. 5%. According to Staley d., (1997) boast culture research TS of comprehensive information, TS more in male, men and women onset of than for (3~4); 1, average up disease age for 7 aged, typical case up disease 2~15sui, different culture of disease infants of clinical features, and family history, and with made symptoms, and complications and treatment results is similar (this may is because the disease has same of biological and genetic of Foundation of sake), TS is a world generalized of disease, in domestic also has many on TS case reported, but epidemic learn investigation information less. Gao Qingyun 1984 reported the prevalence of 0. 242%. Forest Festival 1963-year discovery 3 typical TS disease of children, are male. After 70, domestic literature reported that the number of TS cases increased sharply.