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Objective To investigate the epidemiological characteristics and high -risk factors for chronic obstructive pulmonary disease (COPD) among residents aged 40 and above in Gansu Province, to provide reference for guiding regional COPD prevention and control efforts. Methods From May to December 2019, a multi -stage stratified cluster sampling method was used to select 1 836 residents aged 40 and above in three monitoring sites in Gansu Province: Dunhuang city, Cheng County in Longnan city, and Zhengning County in Qingyang city, and questionnaire surveys, physical examinations, and pulmonary function tests were conducted. The chi-square test was used for univariate analysis, and the high-risk factors affecting COPD were analyzed using a multivariate logistic regression model. Results The prevalence of COPD among residents aged 40 and above in Gansu Province was 11.9%. The results of the multivariate logistic regression analysis showed that compared to females and the age group of 40 to 49 years, being male (OR=2.130, 95%CZ: 1.515-2.994) and being in the age group of 60 to 69 years (OR= 2452, 95%CIi 1.533-3.922) or 70 years and above (OR=2.351, 95%CI: 1.248-4.430) were high-risk factors for COPD among residents. Compared to Dunhuang city, residing in Cheng County (0-=1.928, 95%CI: 1.321-2.815) was a high-risk factor for COPD. Having a BMI <18.5 kg/m2 was also identified as a high-risk factor for COPD, Furthermore, having simultaneous exposure to risk factors, chronic respiratory symptoms, and a personal history of chronic respiratory diseases (OR =3.481, 95%CI: 1.729-7.005) were high-risk factors for COPD among residents. Conclusion The prevalence of COPD among residents aged 40 and above in Gansu Province is relatively high. Therefore, special attention should be paid to male individuals, the elderly, individuals with low body weight, and those with simultaneous exposure to risk factors, chronic respiratory symptoms, and a personal history of chronic respiratory diseases in COPD prevention and control efforts. [ABSTRACT FROM AUTHOR]

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Copyright of Journal of Computer Engineering & Applications is the property of Beijing Journal of Computer Engineering & Applications Journal Co Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Feed Research is the property of Editorial Board of Feed Research and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Feed Research is the property of Editorial Board of Feed Research and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Feed Research is the property of Editorial Board of Feed Research and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Food Research & Development is the property of Food Research & Development Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective: To study the expression changes of interleukin-8 (IL-8) mRNA, matrix metalloproteinase 9 (MMP-9) and vascular endothelial growth factor (VEGF) in eutopic endometrium of patients with endometriosis (EMs), and to confirm that it is involved in the occurrence and development of EMs. Methods:IL-8 mRNA, MMP-9 and VEGF protein expression in eutopic endometrium of EMs patients before and after treatment and the healthy control group were detected. Results:The expression of IL-8 mRNA in EMs group before treated was higher than that in control group, and the expression of IL-8 mRNA was decreased after treatment (both P＜0.05). Positive expression rate of MMP-9 and VEGF protein in endometriosis patients before treated were higher than that of the control group and the patients after treatment (P＜0.05). IL-8 mRNA and MMP-9 protein expression and VEGF protein expression existed positive correlation (rs=0.842, 0.851, all P＜0.05). Conclusions: Complete surgical excision of endometriosis lesions combined with drug therapy can improve the microenvironment of endometriosis and to delay its recurrence. IL-8, MMP-9 and VEGF had synergistic effect in endometriosis occurrence and development. [ABSTRACT FROM AUTHOR]