Changing trends in nervous system diseases among hospitalized children in the Chongqing region

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To investigate the changing trends of nervous system diseases among hospitalized children and the risk factors of death.


The disease was statistically classified according to the International Statistical Classification of Disease and Health Problem (ICD10). The retrospective investigation includes demographic characteristics, as well as categories and fatality rates for nervous system diseases. All data was statistically analyzed.


The percentage of nervous system diseases among inpatients in all wards was 2.4% (2 537/107 250) between January 1993 and December 1999, and 3.6% (6 082/170 619) between January 2000 and December 2006. The first ten patterns of various etiologic forms of nervous system diseases were identical-epilepsies and seizures, infections of the central nervous system, autoimmune and demyelination disorders, cerebral palsy, motor unit disorders, hypoxic-ischemic encephalopathy, hydrocephalus, extra-pyramidal disorders, congenital abnormalities of nervous system, and headache. Epilepsies and seizures took first place in both year groups, with 29.4% and 35%, respectively. Bacterial infections were responsible for the majority of cranial infections in both year groups, with 78.9% and 63.6% respectively. The death rate in the year group January 2000 to December 2006 was significantly less than in the year group January 1993 to December 1999 (x2 = 27.832, P < 0.01).


Among all nervous system diseases, epilepsies and seizures were among the most common, with the lowest fatality rate.

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