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首页> 外文期刊>Journal of Clinical and Diagnostic Research >Comparative Study on Insall-Salvati Index by Radiological and Clinical Methods in a Tertiary Care Centre of North Bengal, India AC05-AC07
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Comparative Study on Insall-Salvati Index by Radiological and Clinical Methods in a Tertiary Care Centre of North Bengal, India AC05-AC07

机译：印度北部孟加拉三级医疗中心放射学和临床方法对Insall-Salvati指数的比较研究AC05-AC07

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Introduction: Patellar height is an important parameter of patellar stability. Its importance is evident from various attempts to measure it, by different scientists from time to time and many indices have been derived among which Insall-Salvati index (IS index) is the most simple, accurate and easy to measure. In this study a new clinical method has been tried to measure patellar height by applying the same principle of IS index. Aim: To compare clinical method of measurement of IS index with the one derived radiologically and to establish the higher cut off value of the clinical method. Materials and Methods: In the present study 186 knee joints (93 subjects) were subjected to measurement of patellar height by both clinical and radiological methods. The IS index was measured bilaterally from lateral view of X-ray plates and it was measured clinically in every knee joint. Both the values were compared using students t-test and higher cut off values were set for normal knee joint for the clinical method. Results: Among 93 study participants majority were females (54.83%), age of the patients varied from 10-68 years with mean age of 28 years and Standard deviation (SD) of 16.4. It was found that, there was no statistically significant difference between the mean values obtained by clinical method of measurement, compared to conventional one (IS Index) for both the genders and age groups on both the sides. A cut off value of 0.98 cm by clinical method gives sensitivity of 80% and specificity of 36% with area under the ROC curve 0.596. Conclusion: The subjects with patellar height of less than cut off value by clinical method can avoid radiological investigation as there was no statistically significant difference of IS index between radiological and clinical methods.
机译：简介：Pat骨高度是of骨稳定性的重要参数。不定期地由不同的科学家进行各种尝试来衡量它的重要性，并且得出了许多指数，其中Insall-Salvati指数（IS指数）是最简单，准确和易于测量的。在这项研究中，已尝试采用相同的IS指数原理来测量pa骨高度的新临床方法。目的：将IS指数的临床测量方法与放射学得出的IS方法进行比较，以确立较高的临床方法临界值。材料和方法：在本研究中，通过临床和放射学方法对186个膝关节（93个受试者）进行了tell骨高度的测量。从X射线片的侧面观察双侧测量IS指数，并在临床上在每个膝关节中测量IS指数。使用学生t检验比较这两个值，并针对临床方法为正常膝关节设置更高的临界值。结果：在93名研究参与者中，多数为女性（54.83％），患者年龄在10-68岁之间，平均年龄为28岁，标准差（SD）为16.4。结果发现，无论是性别还是年龄组，通过临床测量方法获得的平均值与传统方法（IS指数）相比均没有统计学上的显着差异。根据临床方法的0.98 cm截止值，ROC曲线下面积为0.596时灵敏度为80％，特异性为36％。结论：clinical骨高度小于临床临界值的受试者可以避免影像学检查，因为影像学和临床方法之间的IS指数无统计学意义。

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