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To analyze the non-occupational carbon monoxide (CO) poisoning incidents in Jinan City from 2011 to 2022, to grasp their epidemiological characteristics, and propose suggestions for further reducing the morbidity and mortality of non-occupational CO poisoning.
Descriptive epidemiological method was used to analyze the data. The chi-square test was used to compare the rates.
From 2011 to 2022, Jinan City reported 3 003 incidents of non-occupational CO poisoning, with 4 208 cases of poisoning. The average number of poisoning cases per year was 351, with the population over 60 years old being the high-risk group for poisoning. There was a total of 125 deaths, with a fatality rate of 2.97%. The mortality rate of critically ill patients was significantly higher than that of other groups (χ2=45.54, P<0.001). The average annual incidence of non-occupational CO poisoning was 47.48 per million, and the average annual mortality rate was 1.18 per million. The date of occurrence of non-occupational CO poisoning in Jinan City had obvious seasonal characteristics, which was consistent with the winter and spring heating seasons. Among poisoning incidents with clear causes, improper heating was a major cause of poisoning (2 554, 87.4%), followed by gas leaks (207, 7.1%), and the consumption of charcoal hot pots and other charcoal-grilled foods (113, 3.9%).
Although the incidence of non-occupational CO poisoning in Jinan is on a downward trend, the number of people poisoned is still high, and the causes of poisoning are diverse. Therefore it is necessary for multiple departments to jointly carry out the corresponding inspection and preventive work while strengthening the safety education for the residents.
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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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