References
- Rios A., Barceló D., Buydens L., Cárdenas S., Heydorn K., Karlberg B., et al. Quality assurance of qualitative analysis in the framework of the European project “MEQUALAN”. Accred Qual Assur 2003; 8: 68–77
- Dybkaer R., Jørgensen K. Measurement, value, and scale. Scand J Clin Lab Invest 1989; 49 Suppl 194: 69–76
- Berg B., Hellsing K., Jagenburg R., Kallner A. IFCC document: Guidelines for evaluation of reagent strips. Exemplified by analysis of urine albumin and glucose concentration using visually read reagent strips. Scand J Clin Lab Invest 1989; 49: 689–99
- European Urinanalysis Guidelines. Scand J Clin Lab Invest 2000; 60 Suppl 231: 1–96, Kouri T, Fogazzi G, Gant V, Hallander H, Hofmann W, Guder W. G, eds.
- Hyltoft Petersen P. Analytical quality specifications for measurements reported on an ordinal scale. Accred Qual Assur 1999; 4: 406–9
- Hyltoft Petersen P., Sandberg S., Fraser C. G., Goldschmidt H. A model for setting analytical quality specifications and design of control for measurements on the ordinal scale. Clin Chem Lab Med 2000; 38: 545–51
- Hyltoft Petersen P., Sandberg S., Gade Christensen N., Jensen E., Blaabjerg O. Basic model and preliminary results on a Nordfond project on measurements reported on an ordinal scale. Klinisk Biokemi i Norden 2004; 16: 21–6
- Altman D. G. Practical statistics for medical research, 3rd edn. Chapman & Hall, London, Glasgow, Weinheim, New York, Tokyo, Melbourne, Madras 1994, 1994; ch. 7. 611 pp
- Croxton F. E. Elementary statistics with applications in medicine and the biological sciences. Dover Publications, 1959, New York 1959
- http://www.skup.dk/Kvalitetskrav.htm (accessed 26 September 2007)
- Documenta Geigy. Mathematics and statistics, 7th edn. CIBA‐GEIGY, Basel 1971, 1971. p 186, formula 772
- Fleiss J. L. Statistical methods for rates and proportions. John Wiley, New York, Chichester, Brisbane, Toronto, Singapore 1981; 14–15