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find Keyword "Physical examination population" 2 results
  • Relationship between ankle-brachial index and age among 22 886 people undergoing health examination: a restricted cubic spline regression analysis

    ObjectivesTo investigate the level of ankle-brachial index (ABI) of health examination population in Chongqing municipality and analyze the risk factors related to the level of ABI, so as to provide basis for effective evaluation of atherosclerotic lesions and their severity, as well as early detection, intervention and treatment of clinical cardiovascular diseases. MethodsA total of 22 886 subjects aged from 20 to 85 undergoing health examination in the medical examination center of First Affiliated Hospital of Chongqing Medical University in Chongqing municipality from January to December in 2016 were retrospectively analyzed. ABI and related physiological and biochemical data were collected. The relationship between ABI and age was analyzed using stepwise logistic regression model combined with restricted cubic splines. ResultsThe detection rate of abnormal ABI was 3.31% in 22 886 subjects undergoing health examination with 2.90% in males and 3.92% in females. The subjects aged below 40 presented the highest detection rate of abnormal ABI (6.17%) with 4.72% in males and 8.66% in females. The subjects were divided into two groups, one with ABI≤0.9 and one with ABI>0.9; the differences in age and levels of body mass index (BMI), waist circumference (WC), systolic blood pressure (SBP), diastolic blood pressure (DBP), total cholesterol (TC), and low-density lipoprotein cholesterol (LDL-C) between the two groups were statistically significant (allP<0.05). Multivariate stepwise logistic regression combined with restricted cubic splines showed that age, gender and BMI were presented as independent factors affecting ABI, among which the age below 40 (OR=2.885, 95%CI (2.445, 3.404),P<0.0001) was the main risk factor. A curve relating age to probability of abnormal ABI was produced after correcting for the influences of sex and BMI, stratified by gender and BMI into different subgroups, showing a U-shaped curve of decreasing initially and then increasing between the probability of abnormal ABI and age. ConclusionsThe detection rate of abnormal ABI based on individuals undergoing health examination in Chongqing municipality was 3.31%. A U-shaped curve of downward trend followed by an upward one was shown between probability of abnormal ABI and age after correcting for the influences of gender and BMI. The clinical significance of ABI≤0.9 for youth population (20 to 40 years old) without cardiovascular risk factors requires further exploration.

    Release date:2019-01-15 09:51 Export PDF Favorites Scan
  • Distribution of human papilloma virus subtypes detected by flow fluorescence hybridization in physical examination women in West China Hospital of Sichuan University

    Objective Using molecular biology method to detect and genotype human papilloma virus (HPV) in women taking physical examination in West China Hospital, Sichuan University, to explore the infection status and genotype distribution of HPV in normal women in Chengdu area, and to provide basis for early effective prevention and control of cervical cancer and domestic research and development of HPV vaccine. Methods Flow fluorescent hybridization technique was used to detect and genotype HPV-DNA in 25 148 healthy women taking physical examination in West China Hospital, Sichuan University between May 1st, 2018 and May 31st, 2019. The overall positive HPV infection rate, HPV genotype distribution, and characteristics of HPV infections were analyzed and calculated, and the HPV infection rates of different age groups were calculated and compared by chi-square test using SPSS 17.0 software. Results The overall positive rate of HPV infection was 12.19% (3 066/25 148). The high-risk HPV genotypes infection rate was 8.69% (2 186/25 148), and the top five subtypes with the highest infection rates were HPV52, HPV53, HPV58, HPV16, and HPV39. The low-risk HPV genotypes infection rate was 4.66% (1 171/25 148), and the top five subtypes with the highest infection rates were HPV61, HPV81, HPV43, HPV44, and HPV6. Single subtype infections were the main infections with a proportion of 81.74% (2 506/3 066), and the most common multiple infections were double infections which accounted for 13.96% (428/3 066). In different age groups, the HPV infection rate of group 60-69 was the highest (12.87%), while that of group 70-89 was the lowest (10.88%), but the difference among different age groups was not statistically significant (χ2=4.035, P=0.544). Conclusion According to the results of this study in women taking physical examination in West China Hospital, Sichuan University, we suggest adding HPV52, HPV53, and HPV58 which have the highest infection rate in high-risk HPV subtypes to the evaluation of domestic HPV vaccine screening and the cervical cancer prevention and control system.

    Release date:2019-08-15 01:20 Export PDF Favorites Scan
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