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Objective To explore the differences between two successful aging models including three -dimensional model and four -dimensional model by comparing the influencing factors.Methods A total of 230 elderly people in sanatorium were selected by random sampling method.Then questionnaires and scales were conducted and the influencing factors of the two theoretical models were tested by binary logical regression analysis.Results 86 elderly people (37.39%)were qualified as successful aging by three -dimensional model (chronic illness,physical and psychological functions,social functions)while 51 elderly people (22.17%)were qualified by four -dimensional model (chronic illness,physical and psychological functions,social function,subjective well -being).When using three -dimensional model,two factors reached significant level on successful aging phenomenon:age and education background,which could explain 69.10% of the total variance.When using four -dimensional model,three factors finally showed the significance:age,psychological resilience and subjective support,which could explain 79.12% of total variance.Conclusion The qualification of successful aging status can be largely influenced by evaluation models.
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Objective To evaluate 99tcm-DTPA nuclear dynamic imaging in distinguishing the renal occupied disease.Methods A total of 164 in-patients with renal occupied disease who underwent surgery were included.According to the pathological diagnosis,119 patients had malignant tumors,and 45 patients had benign diseases.All patients’ imaging was retrospectively analyzed.Application of 99Tcm-DTPA nuclear dynamic imaging in renal occupied disease was compared with ultrasonography (US),computed tomography (CT),magnetic resonance imaging (MRI),intravenous pyelogram (IVP),and positron emission tomography (PET)-CT.Results The accuracy rates of different imaging methods in distinguishing between renal malignant and benign disease were 99Tcm-DTPA (84 ％,45 ％),US (72 ％,64 ％),CT ( 91％,92 ％),MRI (50 ％,67 ％),IVP (50 ％, 17 ％), respectively.The diagnostic accuracy rate of PET-CT for malignant tumors was 67 ％.The accuracy rates of 99Tcm-DTPA in distinguishing different phases of renal cell carcinoma were statistically significant (x 2 =83.4, P ＜ 0.01), while the accuracy rates in distinguishing renal cyst from renal angiomyolipoma were not statistically different.With the greater diameter, the diagnostic accordance rate is higher (x 2 =16.05,P ＜ 0.05).Conclusion 99Tcm-DTPA could be used not only to evaluate the renal function quantificationally,but also be helpful to distinguish renal malignant tumor from benign disease.