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To understand the prevalence and trend incidence of neural tube defects (NTDs) in Chongqing from 2007 to 2022, and to provide evidence for comprehensive prevention and control measures.
Based on hospital monitoring data, 185 children with NTDs monitored by all birth defects monitoring institutions in Chongqing City from January 2007 to December 2022 were included in the study. They were grouped by year, perinatal gender, maternal permanent residence (urban/rural), maternal age, different regions, and other categories. Chisquare test was used to analyze the differences in the incidence of severe multiple disabling birth defects in different categories, and linear trend test and Joinpoint regression model were used to analyze the change trend.
From 2007 to 2022, a total of 1 316 934 perinatal births and 185 NTDs were monitored in Chongqing, with an incidence of 1.40/10,000, it was 0.36/10 000(0.00/10 000-2.45/10 000), 0.81/10 000(0.39/10 000-2.42/10 000) and 0.26/10 000(0.00/10 000-2.45/10 000) for anencephaly, spina bifidaand encephalocele respectively. The incidence in rural areas was higher than in urban areas (χ2=11.38, P<0.001). The total incidence of mothers of different age was statistical (χ2=81.71, P<0.001). The annual incidence of NTDs decreased by 84.64% from 2.93/10,000 to 0.45/10,000 during this period. There was a gentle decline from 2007 to 2019 (APC=-10.85) and a rapid decline from 2019 to 2022 (APC=-31.20).
Annual incidence of NTDs in Chongqing was decreasing over the year. NTDs is prevalent at a low level in Chongqing.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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