To evaluate demographic features, preoperative pulmonary function tests and echocardiographic examinations of 113 children with scoliosis and to determine the associations between preoperative investigations and postoperative complications. Medical records, preoperative pulmonary function tests and echocardiographic examinations of 113 children with scoliosis who were operated between January 2...

OBJECTIVE the aim of this study is to investigate the efficacy of pulmonary rehabilitation program in children with asthma. PATIENTS AND METHOD twenty eight children with mild persistent or moderate asthma were included into a double blind, randomised study. Sixteen children (9 girls, 7 boys) with the mean age of 10.8 +/- 2.3 were assigned to receive pulmonary rehabilitation program with thei...

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We study the cross-sectional performance of option pricing models in which the volatility of the underlying stock is a deterministic function of the stock price and time. For each date in our sample of FTSE 100 index option prices, we fit an implied binomial tree to the panel of all European style options with different strike prices and maturities and then examine how well this model prices a ...

Ve study the problem of testing for equality at a fixed point in the setting of nonparametric estimation of a monotone function. The likelihood ratio test for this hypothesis is derived in the particular case of interval censoring (or current status data) and its limiting distribution is obtained. The limiting distribution is that of the integral of the difference of the squared slope processes...

This paper employs response surface regressions based on simulation experiments to calculate asymptotic distribution functions for the Johansen-type likelihood ratio tests for cointegration. These are carried out in the context of the models recently proposed by Pesaran, Shin, and Smith (1997) that allow for the possibility of exogenous variables integrated of order one. The paper calculates cr...

background human immunodeficiency virus (hiv) testing strategy for tuberculosis (tb) patients in some high hiv incidence countries has been recommended based on interaction between hiv and tb. objectives the present study aimed to determine the prevalence of hiv infection among newly detected pulmonary tb patients. patients and methods in a cross sectional study,104 cases including 95 non injec...

introduction tetralogy of fallot (tof) in the absent of pulmonary valve is a rare congenital anomaly (3%of tof patients). case presentation we are presenting an 18- year-old male with history of dyspnea on exertion and cyanosis since childhood. despite the diagnosis of congenital heart disease, no intervention was done due to his poor socioeconomic culture. at age of 18, he referred to our cent...

This paper introduces speci"cation tests of parametric mean-regression models. The null hypothesis of interest is that the parametric regression function is correctly speci"ed. The proposed tests are generalizations of the Kolmogorov}Smirnov and Cramer}von Mises tests to the regression framework. They are consistent against all alternatives to the null hypothesis, powerful against 1/Jn local al...