A new species of Paratendipes Kieffer, P. angustus sp. nov., is described and the male is illustrated. P. subaequalis （Malloch, 1915） is recorded in China for the first time.
Objective The purpose of this study was to evaluate the accuracy of t he Intern ational Classification of Diseases-9th revision codes for preeclampsia and ecla mpsia. Study design The University of Illinois Medical Ce...Objective The purpose of this study was to evaluate the accuracy of t he Intern ational Classification of Diseases-9th revision codes for preeclampsia and ecla mpsia. Study design The University of Illinois Medical Center at Chicago dischar ge database was used to identify 135 women from 1999 through 2001 whose disease was coded as having preeclampsia or eclampsia. With American College of Obstetri cs and Gynecology criteria as the gold standard, the diagnosis that was determin ed through chart review was compared with the International Classification of Di seases-9th revision code that was present in the discharge database. Patients w ere classified as true cases if the International Classification of Diseases-9t h revision code matched the American College of Obstetricians and Gynecologists diagnosis; the positive predictive value of the code was then calculated. Result s The overall positive predictive value for the complete sample was only 54%, b ut the positive predictive value for severe preeclampsia was 84.8%, which was h igh compared with mild preeclampsia (45.3%) and eclampsia (41.7%). Diagnostic (clinician) error was the most common reason for miscoding error. Conclusion The findings suggest that International Classification of Diseases-9th revision co des for preeclampsia/eclampsia vary greatly in their accuracy of diagnosis. Ther efore, a review of medical records is required when data are being gathered on t he incidence of preeclampsia and eclampsia.展开更多
电传资金系统(Electronic Funds Transfer Systems简称EFTS)的性质和重要性 通讯的改善和技术的进步,使资金传递工作不需大量的日常凭证帐务处理,即可以迅速而准确地进行。这些事务是通过一些不同的电子网络来处理的,所有这些通称电传...电传资金系统(Electronic Funds Transfer Systems简称EFTS)的性质和重要性 通讯的改善和技术的进步,使资金传递工作不需大量的日常凭证帐务处理,即可以迅速而准确地进行。这些事务是通过一些不同的电子网络来处理的,所有这些通称电传资金系统。克利夫兰联邦储备银行E.j.斯蒂文斯在论述电传资金系统中说:“一方面指的是使用全国范围的计算机联机终端设备瞬息间记录各地花掉的每一分钱。展开更多
This paper considers a novel polling system with two classes of message which can experience an up-per bounded time before being served. The station serves these two classes with mixed service discipline, one class wi...This paper considers a novel polling system with two classes of message which can experience an up-per bounded time before being served. The station serves these two classes with mixed service discipline, one class with exhaustive service discipline, and the other with gated service discipline. Using iterative method, we have developed an approximation method to obtain the mean waiting time for each message class. The performance of approximation has been compared with the simulation results. The expression for the upper bound of waiting time is given too.展开更多
基金supported by Zhejiang Provincial Natural Science Foundation of China(Y3100486)the National Natural Science Foundation of China(30570207,J0630963)Fauna of China(FY120100)
文摘A new species of Paratendipes Kieffer, P. angustus sp. nov., is described and the male is illustrated. P. subaequalis （Malloch, 1915） is recorded in China for the first time.
文摘Objective The purpose of this study was to evaluate the accuracy of t he Intern ational Classification of Diseases-9th revision codes for preeclampsia and ecla mpsia. Study design The University of Illinois Medical Center at Chicago dischar ge database was used to identify 135 women from 1999 through 2001 whose disease was coded as having preeclampsia or eclampsia. With American College of Obstetri cs and Gynecology criteria as the gold standard, the diagnosis that was determin ed through chart review was compared with the International Classification of Di seases-9th revision code that was present in the discharge database. Patients w ere classified as true cases if the International Classification of Diseases-9t h revision code matched the American College of Obstetricians and Gynecologists diagnosis; the positive predictive value of the code was then calculated. Result s The overall positive predictive value for the complete sample was only 54%, b ut the positive predictive value for severe preeclampsia was 84.8%, which was h igh compared with mild preeclampsia (45.3%) and eclampsia (41.7%). Diagnostic (clinician) error was the most common reason for miscoding error. Conclusion The findings suggest that International Classification of Diseases-9th revision co des for preeclampsia/eclampsia vary greatly in their accuracy of diagnosis. Ther efore, a review of medical records is required when data are being gathered on t he incidence of preeclampsia and eclampsia.
文摘电传资金系统(Electronic Funds Transfer Systems简称EFTS)的性质和重要性 通讯的改善和技术的进步,使资金传递工作不需大量的日常凭证帐务处理,即可以迅速而准确地进行。这些事务是通过一些不同的电子网络来处理的,所有这些通称电传资金系统。克利夫兰联邦储备银行E.j.斯蒂文斯在论述电传资金系统中说:“一方面指的是使用全国范围的计算机联机终端设备瞬息间记录各地花掉的每一分钱。
基金Supported by the High Technology Research and Development Program of China（2002AA412010-08） and the National Natural Science Foundation of China（60474031）.
文摘This paper considers a novel polling system with two classes of message which can experience an up-per bounded time before being served. The station serves these two classes with mixed service discipline, one class with exhaustive service discipline, and the other with gated service discipline. Using iterative method, we have developed an approximation method to obtain the mean waiting time for each message class. The performance of approximation has been compared with the simulation results. The expression for the upper bound of waiting time is given too.
