• Article  

      Association rule analysis for the assessment of the risk of coronary heart events. 

      Karaolis, Minas A.; Moutiris, Joseph Antoniou; Papaconstantinou, L.; Pattichis, Constantinos S. (2009)
      Although significant progress has been made in the diagnosis and treatment of coronary heart disease (CHD), further investigation is still needed. The objective of this study was to develop a data mining system using ...
    • Article  

      Cystic fibrosis patients from the black sea region: The 1677delTA mutation 

      Angelicheva, D.; Boteva, Kalina; Jordanova, A.; Savov, A.; Kufardjieva, A.; Tolun, A.; Telatar, M.; Akarsubaşi, A.; Köprübaşi, F.; Aydoǧdu, S.; Demirkol, M.; Kurdoǧlu, G.; Constantinou-Deltas, Constantinos D.; Georgiou, Christina; Dean, M.; Ivaschenko, T.; Baranov, V.; Kalaydjieva, L. (1994)
      A 2 bp deletion in exon 10 of the CFTR gene, 1677delTA, which is very rare among CF chromosomes worldwide, was found to be a relatively common cause of cystic fibrosis in countries located in the region of the Black Sea. ...
    • Article  

      Effect of recent thymic emigrants on progression of HIV-1 disease 

      Hatzakis, Angelos E.; Touloumi, G.; Karanicolas, R.; Karafoulidou, A.; Mandalaki, T.; Anastassopoulou, C. G.; Zhang, L.; Goedert, J. J.; Ho, David D.; Kostrikis, Leontios G. (2000)
      Background. The concentration of T-cell receptor-rearrangement excision DNA circles (TREC) in peripheral-blood T cells is a marker of recent thymic emigrant αβ T cells. We studied the predictive ability of measurements of ...
    • Article  

      Effects of CCR5-Δ32, CCR2-64I, and SDF-1 3′ a alleles on HIV-1 disease progression: An international meta-analysis of individual-patient data 

      Ioannidis, J. P. A.; Rosenberg, P. S.; Goedert, J. J.; Ashton, L. J.; Benfield, T. L.; Buchbinder, S. P.; Coutinho, R. A.; Eugen-Olsen, J.; Gallart, T.; Katzenstein, T. L.; Kostrikis, Leontios G.; Kuipers, H.; Louie, L. G.; Mallal, S. A.; Margolick, J. B.; Martinez, O. P.; Meyer, L.; Michael, N. L.; Operskalski, E.; Pantaleo, G.; Rizzardi, G. P.; Schuitemaker, H.; Sheppard, H. W.; Stewart, G. J.; Theodorou, I. D.; Ullum, H.; Vicenzi, E.; Vlahov, D.; Wilkinson, D.; Workman, C.; Zagury, J. -F; O'Brien, T. R. (2001)
      Background: Studies relating certain chemokine and chemokine receptor gene alleles with the outcome of HIV-1 infection have yielded inconsistent results. Objective: To examine postulated associations of genetic alleles ...
    • Article  

      Frailty models for arbitrarily censored and truncated data 

      Huber-Carol, C.; Vonta, Filia (2004)
      In this paper, we propose a frailty model for statistical inference in the case where we are faced with arbitrarily censored and truncated data. Our results extend those of Alioum and Commenges (1996), who developed a ...
    • Article  

      Variable selection strategies in survival models with multiple imputations 

      Vonta, Filia; Karagrigoriou, Alex (2007)
      In this paper, the variable selection strategies (criteria) are thoroughly discussed and their use in various survival models is investigated. The asymptotic efficiency property, in the sense of Shibata Ann Stat 8: 147-164, ...