Journal of Shandong University (Health Sciences) ›› 2022, Vol. 60 ›› Issue (7): 118-122.doi: 10.6040/j.issn.1671-7554.0.2021.1549

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Epidemiological characteristics of 689 patients with non-ST-segment elevation myocardial infarction

ZHANG Yufeng1,2, XU Min3, XING Xiuli3, PANG Shuguang3, HU Keqing4   

  1. 1. Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, China;
    2. Peoples Hospital of Lixia District of Jinan, Jinan 250014, Shandong, China;
    3. Department of Endocrinology, Jinan Central Hospital, Shandong University, Jinan 250013, Shandong, China;
    4. Chest Pain Center, Jinan Central Hospital, Shandong University, Jinan 250013, Shandong, China
  • Published:2022-07-27

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Abstract: Objective To investigate the epidemiological characteristics of patients with non-ST-segment elevation myocardial infarction(NSTEMI), and to explore the characteristics and regularity of patients with non-ST-segment elevation myocardial infarction in chest pain center of the hospital in recent 3 years. Methods A total of 689 NSTEMI patients who visited the chest pain center of a certain hospital during Jan. 2018 and Dec. 2020 were selected as the study subjects. Frequency analysis, Chi-square test and Logistic regression analysis were performed based on patients gender, age, date and time of treatment, time of first medical contact and treatment strategy. Results The number of patients and constituent ratio increased with the increase of age. The 70-year group had the highest proportion, accounting for 53.4% of all cases. The proportion of male patients was higher than that of female patients. Patients in different seasons had statistically significant difference in day and night visit rates(χ2=12.627, P=0.006). Multinomial Logistic regression analysis showed that the season of visit, time of first medical contact and treatment strategy were the independent influencing factors of day and night visits(P<0.05). Conclusion The peak age, time period and seasonal distribution of patients have certain rules to follow, which can provide a basis for clinicians to identify high-risk patients and choose the best diagnosis and treatment strategy.

Key words: Non-ST-segment elevation myocardial infarction, Epidemiology, Seasonal prevalence, Prognosis

CLC Number: 

  • R541.4
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