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    Identities leading to distributions of order statistics from innid variables
    (Natural Sciences Publishing, 2018) Bulut Y.; Güngör M.; Özbey F.
    In this study, joint distributions of order statistics of innid continuous random variables are expressed in terms of specialized identities based on distributions of innid continuous random variables. Then, some results related to pdf and df order statistics of innid continuous random variables are given. © 2018 NSP.
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    Internal mammary artery atherosclerosis in segments removed during coronary artery bypass grafting surgery and C. Pneumoniae infection
    (2004) Ege E.; Paç M.; Durmaz R.; Bulut Y.; Hazar A.; Emmiler M.; Aydin N.E.
    Objective: Recent studies suggest the association of atherosclerotic cardiovascular disease with Chlamydia pneumoniae infection. We investigated C. pneumoniae DNA in internal mammarian artery (IMA) (used as a coronary bypass conduit) and its relationship with atherosclerosis. Methods: Sixty-six consecutive patients who underwent coronary artery bypass grafting (CABG) during an eight-month period were included in this study. From all patients, we attempted to obtain surplus segments of harvested IMA grafts. The vessels were examined histopathologically, and presence of C. pneumoniae DNA in IMA grafts was assessed by polymerase chain reaction (PCR). Results: C. pneumoniae DNA was found in 7 (10.6%) of 66 IMA specimens. The light microscopic examinations of IMA segments from the C. pneumonia positive group showed atherosclerotic intimal changes in four of the seven patients. These atherosclerotic changes were type II in three patients and type III in one patient according to the AHA classification. The rest of the IMA segments from 62 patients did not show any discernible atherosclerotic lesion. Conclusion: The IMA graft examination by PCR and histopathology may be helpful in the determination of future graft patency for IMA bypass surgery.
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    On distribution and probability density functions of order statistics arising from independent but not necessarily identically distributed random vectors
    (Eudoxus Press, LLC, 2017) Güngör M.; Bulut Y.
    In this study, joint probability density and distribution functions of any d order statistics of innid continuous random vectors are expressed. Then, some results connecting distributions of order statistics of innid random vectors to that of order statistics of iid random vectors are given. ©2017 by Eudoxus Press, LLC, All rights reserved.
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    On distributions of order statistics for nonidentically distributed variables
    (Natural Sciences Publishing, 2019) Özbey F.; Güngör M.; Bulut Y.
    In this study, distribution and probability density functions of any d order statistics of innid continuous random variables are expressed. Then, some results connecting distributions of order statistics of innid random variables to that of order statistics of iid random variables are given. © 2019 NSP Natural Sciences Publishing Cor.
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    Use of transcription-based amplification and enzyme immunoassay methods to investigate possible Chlamydia trachomatis infections in women with genital complaints
    (2002) Bulut Y.; Durmaz B.; Durmaz R.; Otlu B.
    This study was performed to determine the prevalence of Chlamydia trachomatis infections in the female patients with genital complaints, and to compare the transcription mediated amplification assay and enzyme immunoassay methods for the diagnosis of genital C. trachomatis infections. C. trachomatis (Ct) antigens and ribosomal RNAs were researched by enzyme immunoassay (EIA) and transcription-mediated amplification (TMA) assay, respectively in the endocervical swab samples of 90 patients. C. trachomatis IgG and IgM antibodies were also screened in the sera of these subjects, by EIA method. Of 90 patients, 18 (20%) were found to be positive for Ct-rRNA, 12 (13%) for Ct-antigen, 20 (22%) for IgG, 12 (13%) for IgM and 14 (16%) for both IgG and IgM. Among the patients 11 (12%) were found positive for Ct-antigen, Ct-rRNA and Ct-IgM antibodies. According to the TMA results, the sensitivity and specificity of EIA-Ct antigen method were estimated as 67% and 100%, respectively. There was statistically significant difference between TMA positivity and those of two EIA methods. In conclusion, the positive results obtained with EIA are reliable for the diagnosis of genital C. trachomatis infections, however the negative results should be confirmed by TMA.