Abstract：Objective To understand the hospitalization status of patients in Intensive Care Unit (ICU) in our hospital in recent 2 years, and to provide reference information for the construction of various departments in our hospital.Methods Totally 200 ICU patients admitted from June 2016 to June 2018 in our hospital were collected. All of them kept complete medical records. The disease types, age distribution, prognosis and nosocomial infection of ICU patients were analyzed.Results Malignant tumors, cerebrovascular accidents and trauma accounted for 26.50%, 22.50% and 21.00% respectively, followed by acute abdomen, pneumonia, and cardiovascular diseases, etc. The ratio of disease spectrum was significantly different (P<0.01). Trauma was predominant for ICU patients aged 1 to 18 years old, malignant tumors and trauma were predominant for patients aged 19 to 40 years old and 41 to 65 years old, and malignant tumors and cerebrovascular accident were predominant for patients aged 66 to 82 years old. The disease spectrum composition of different age groups was significantly different (P<0.01). After treatment, 73.50% of patients in ICU were transferred to other departments, and the ratio was significantly higher than death 20.00% and discharge 6.50%. There was a significant difference in the composition of prognosis and outcome (P<0.01). The highest conversion rate of ICU was 31.97% of malignant tumor, 23.81% of cerebrovascular accident. The highest mortality rate was 40.00% of the patients with trauma. There was a significant difference in the ratio of disease spectrum between ICU transfer and death (P<0.01). The nosocomial infection rate in ICU was 16.50%, and the nosocomial infection rate increased gradually with the extension of ICU stay.Conclusions The disease spectrum composition of ICU patients, the disease spectrum composition of different age groups, the prognosis of different diseases and nosocomial infection rate have significant characteristics, reflecting the characteristics of complex disease spectrum and multi-disciplinary diseases. And these patients were in critical condition, and were easy to death and nosocomial infection and so on. Combined with statistical information, the construction of related disciplines and the integration of medical resources should be strengthened accordingly to improve ICU medical treatment services.
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