Pentti Nieminen

Summary

Affiliation: University of Oulu
Country: Finland

Publications

  1. ncbi request reprint Statistically significant papers in psychiatry were cited more often than others
    Pentti Nieminen
    Institute of Medical Biometry and Medical Informatics, University of Freiburg, Stefan Meier Str 26, D 79115 Freiburg, Germany
    J Clin Epidemiol 60:939-46. 2007
  2. doi request reprint Polychlorinated biphenyls (PCBs) in relation to secondary sex ratio--a systematic review of published studies
    Pentti Nieminen
    Medical Informatics and Statistics Research Group, University of Oulu, P O Box 5000, FIN 90014 Oulu, Finland
    Chemosphere 91:131-8. 2013
  3. pmc Ageing and smoking contribute to plasma surfactant proteins and protease imbalance with correlations to airway obstruction
    Helen Ilumets
    Department of Medicine, Division of Pulmonary Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
    BMC Pulm Med 11:19. 2011
  4. ncbi request reprint Statistical methodologies in psychopharmacology: a review
    Pentti Nieminen
    Medical Informatics Group, University of Oulu, Finland
    Hum Psychopharmacol 21:195-203. 2006
  5. pmc The relationship between quality of research and citation frequency
    Pentti Nieminen
    Medical Informatics Group, University of Oulu, P O Box 5000, FIN 90014 Oulu, Finland
    BMC Med Res Methodol 6:42. 2006
  6. pmc Medical theses as part of the scientific training in basic medical and dental education: experiences from Finland
    Pentti Nieminen
    Medical Informatics Group, University of Oulu, P O Box 5000, FIN 90014 Oulu, Finland
    BMC Med Educ 7:51. 2007
  7. doi request reprint Attitudes to new smoking restrictions and second-hand smoke among young Finnish males
    Pentti Nieminen
    Medical Informatics and Statistics Research Group, University of Oulu, Finland
    Scand J Public Health 38:817-25. 2010
  8. ncbi request reprint Genotype-environment interaction in schizophrenia-spectrum disorder. Long-term follow-up study of Finnish adoptees
    Pekka Tienari
    Department of Psychiatry, University of Oulu, Finland University of Rochester, USA Department of Psychiatry, University of Oulu, Finland
    Br J Psychiatry 184:216-22. 2004
  9. doi request reprint Coverage of the bibliographic databases in mental health research
    Johanna Löhönen
    Department of Psychiatry, University of Oulu, PO Box 5000, 90014 Oulun yliopisto, Finland
    Nord J Psychiatry 64:181-8. 2010
  10. ncbi request reprint A guide for medical information searches of bibliographic databases - psychiatric research as an example
    Johanna Löhönen
    Department of Psychiatry, University of Oulu, Oulu, Finland
    Int J Circumpolar Health 68:394-404. 2009

Detail Information

Publications25

  1. ncbi request reprint Statistically significant papers in psychiatry were cited more often than others
    Pentti Nieminen
    Institute of Medical Biometry and Medical Informatics, University of Freiburg, Stefan Meier Str 26, D 79115 Freiburg, Germany
    J Clin Epidemiol 60:939-46. 2007
    ..Citations by other researchers are important in the dissemination of research findings. We aimed to investigate whether preferential citation of statistically significant articles exists in the psychiatric literature...
  2. doi request reprint Polychlorinated biphenyls (PCBs) in relation to secondary sex ratio--a systematic review of published studies
    Pentti Nieminen
    Medical Informatics and Statistics Research Group, University of Oulu, P O Box 5000, FIN 90014 Oulu, Finland
    Chemosphere 91:131-8. 2013
    ..048 with 95% CI of (-0.121, 0.026). There was no strong or moderate indication that parental exposure to PCBs alters the sex ratio of the children...
  3. pmc Ageing and smoking contribute to plasma surfactant proteins and protease imbalance with correlations to airway obstruction
    Helen Ilumets
    Department of Medicine, Division of Pulmonary Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
    BMC Pulm Med 11:19. 2011
    ..However, the level of these proteins has not been examined during ageing or in young individuals with short smoking histories...
  4. ncbi request reprint Statistical methodologies in psychopharmacology: a review
    Pentti Nieminen
    Medical Informatics Group, University of Oulu, Finland
    Hum Psychopharmacol 21:195-203. 2006
    ....
  5. pmc The relationship between quality of research and citation frequency
    Pentti Nieminen
    Medical Informatics Group, University of Oulu, P O Box 5000, FIN 90014 Oulu, Finland
    BMC Med Res Methodol 6:42. 2006
    ..The objective of this study is to assess whether statistical reporting and statistical errors in the analysis of the primary outcome are associated with the number of citations received...
  6. pmc Medical theses as part of the scientific training in basic medical and dental education: experiences from Finland
    Pentti Nieminen
    Medical Informatics Group, University of Oulu, P O Box 5000, FIN 90014 Oulu, Finland
    BMC Med Educ 7:51. 2007
    ..The objective of this study was to evaluate the nature, quality, publication pattern and visibility of Finnish medical diploma theses...
  7. doi request reprint Attitudes to new smoking restrictions and second-hand smoke among young Finnish males
    Pentti Nieminen
    Medical Informatics and Statistics Research Group, University of Oulu, Finland
    Scand J Public Health 38:817-25. 2010
    ..The objective was to explore the attitudes of young male adults after the new smoke-free legislation was implemented in Finland...
  8. ncbi request reprint Genotype-environment interaction in schizophrenia-spectrum disorder. Long-term follow-up study of Finnish adoptees
    Pekka Tienari
    Department of Psychiatry, University of Oulu, Finland University of Rochester, USA Department of Psychiatry, University of Oulu, Finland
    Br J Psychiatry 184:216-22. 2004
    ..Earlier adoption studies have convincingly confirmed the importance of a genetic contribution to schizophrenia. The designs, however, did not incorporate observations of the rearing-family environment...
  9. doi request reprint Coverage of the bibliographic databases in mental health research
    Johanna Löhönen
    Department of Psychiatry, University of Oulu, PO Box 5000, 90014 Oulun yliopisto, Finland
    Nord J Psychiatry 64:181-8. 2010
    ..The selected databases have an important effect on the potential results achieved. Studies about comparison of databases provide useful information to help determine which databases or set of databases are useful for a particular topic...
  10. ncbi request reprint A guide for medical information searches of bibliographic databases - psychiatric research as an example
    Johanna Löhönen
    Department of Psychiatry, University of Oulu, Oulu, Finland
    Int J Circumpolar Health 68:394-404. 2009
    ....
  11. ncbi request reprint Magnetic resonance imaging findings in relation to the COL9A2 tryptophan allele among patients with sciatica
    Jaro Karppinen
    Department of Physical Medicine and Rehabilitation, University of Oulu, Finland
    Spine (Phila Pa 1976) 27:78-83. 2002
    ..The phenotype of patients with sciatica who have the Trp2 allele is characterized cross-sectionally...
  12. ncbi request reprint Observing relationships in Finnish adoptive families: Oulu Family Rating Scale
    Pekka Tienari
    Department of Psychiatry of Oulu University, Oulu, Finland
    Nord J Psychiatry 59:253-63. 2005
    ..For this purpose 33 sub-scales were selected creating what we call Oulu Family Rating Scale (OPAS, Oulun PerheArviointiSkaala). In this paper, the manual for scoring of these sub-scales is presented...
  13. ncbi request reprint Use of statistical techniques in studies of suicide seasonality, 1970 to 1997
    Helinä Hakko
    Department of Psychiatry at the University of Oulu, Finland
    Suicide Life Threat Behav 32:191-208. 2002
    ..The calendar effect was adjusted only in 11 studies. Some recommendations concerning the methodological and reporting issues are summarized for future articles on the seasonal affect on suicides...
  14. ncbi request reprint Clinical utility and outcome of HFE-genotyping in the search for hereditary hemochromatosis
    Jokke Hannuksela
    Department of Clinical Chemistry, P O Box 5000, 90014 University of Oulu, Oulu, Finland
    Clin Chim Acta 331:61-7. 2003
    ..The gene mutated in this disorder is termed HFE. The present study was designed to evaluate the diagnostic utility and outcome of genetic testing for HH in the service of public health care...
  15. doi request reprint How to use bibliometric methods in evaluation of scientific research? An example from Finnish schizophrenia research
    Johanna Koskinen
    Department of Psychiatry, University of Oulu and Oulu University Hospital, Finland
    Nord J Psychiatry 62:136-43. 2008
    ..According to our experience, these methods can be used as an evaluation instrument in research together with other methods, such as expert opinions and panels...
  16. ncbi request reprint Association of common ATM polymorphism with bilateral breast cancer
    Katri Heikkinen
    Department of Clinical Genetics, Oulu University Hospital, University of Oulu, Oulu, Finland
    Int J Cancer 116:69-72. 2005
    ..Based on the results, we propose a cancer risk-modifying effect for the ATM 5557G-->A, IVS38-8T-->C composite allele...
  17. ncbi request reprint Statistical methodology in general psychiatric journals
    Jouko Miettunen
    Department of Psychiatry, University of Oulu, PO Box 5000, FIN 90014, Finland
    Nord J Psychiatry 56:223-8. 2002
    ....
  18. ncbi request reprint Information and communication technology among undergraduate dental students in Finland
    Jorma I Virtanen
    Institute of Dentistry, Faculty of Medicine, University of Oulu, Oulu, Finland
    Eur J Dent Educ 6:147-52. 2002
    ..The younger students have more interest in ICT and better skills, which presents a challenge for dental education in the future...
  19. doi request reprint Use of statistical methods in dental research: comparison of four dental journals during a 10-year period
    Hannu Vähänikkilä
    Institute of Dentistry and University Hospital, University of Oulu, Oulu, Finland
    Acta Odontol Scand 67:206-11. 2009
    ..To investigate development of the use of statistical methods in dental journals in 1996, 2001, and 2006 hypothesizing that methods are becoming more sophisticated...
  20. doi request reprint The use of time-to-event methods in dental research: a comparison based on five dental journals over a 11-year period
    Hannu Vähänikkilä
    Institute of Dentistry, University of Oulu and Oulu University Hospital, Oulu, Finland
    Community Dent Oral Epidemiol 40:36-42. 2012
    ....
  21. ncbi request reprint Genetic boundaries of the schizophrenia spectrum: evidence from the Finnish Adoptive Family Study of Schizophrenia
    Pekka Tienari
    Department of Psychiatry, University of Oulu, PL 5000, 90014 Oulun yliopisto, Oulu, Finland
    Am J Psychiatry 160:1587-94. 2003
    ....
  22. ncbi request reprint Links between creativity and mental disorder
    Erika Lauronen
    Department of Psychiatry, University of Oulu, Finland
    Psychiatry 67:81-98. 2004
    ..In conclusion, evidence exists to support some form of association between creativity and mental disorder, but the direction of any causal link remains obscure...
  23. ncbi request reprint Hereditary hemochromatosis gene (HFE) mutations C282Y, H63D and S65C in patients with idiopathic dilated cardiomyopathy
    Jokke Hannuksela
    Department of Clinical Chemistry, University of Oulu, P O Box 5000, Oulu, Finland
    Eur J Heart Fail 7:103-8. 2005
    ..Hence we set out here to evaluate the prevalence and potential role of HFE mutations in patients with IDCM...
  24. ncbi request reprint Radiologic phenotypes in lumbar MR imaging for a gene defect in the COL9A3 gene of type IX collagen
    Jaro Karppinen
    Department of Physical Medicine and Rehabilitation, University Hospital of Oulu, PL 25, FIN 90029 Oulu, Finland
    Radiology 227:143-8. 2003
    ..To evaluate whether the COL9A3 tryptophan allele (Trp3 allele) is associated with a specific radiologic phenotype among patients with sciatica...
  25. ncbi request reprint Natural history of familial myomas
    Outi Uimari
    Department of Obstetrics and Gynecology, Oulu University Hospital, PL 24, 90029 OYS Oulu, Finland
    Eur J Obstet Gynecol Reprod Biol 125:255-8. 2006
    ..To study the natural history of myomas in familial cases and to compare the tendencies of myomas between familial and non-familial cases...