Quality specifications for seminal parameters based on clinicians' opinions

References

• Fraser C. G., Kallner A., Kenny D., Petersen P. H. Introduction: strategies to set global quality specifications in laboratory medicine. Scand J Clin Lab Invest 1999; 59: 477–8
   PubMed Web of Science ®Google Scholar
• Kenny D., Fraser C. G., Petersen P. H., Kallner A. Consensus agreement. Scand J Clin Lab Invest 1999; 59: 585
   Web of Science ®Google Scholar
• Álvarez C., Castilla J. A., Martinez L Ramírez J. P., Vergara F., Gaforio J. J. Biological variation in seminal parameters in healthy subjects. Hum Reprod 2003; 18: 2082–8
   PubMed Web of Science ®Google Scholar
• Fraser C. G., Hyltoft‐Petersen P., Libeer J. C., Ricós C. Proposals for setting generally applicable quality goals solely based on biology. Ann Clin Biochem 1997; 34: 8–12
   PubMed Web of Science ®Google Scholar
• Ricós C., Álvarez V., Cava F Garcia‐Lario J. V., Hernandez A., Jimenez C. V., Minchinela J., et al. Current database on biologic variation: pros, cons and progress. Scand J Clin Lab Invest 1999; 59: 491–500
   PubMed Web of Science ®Google Scholar
• Castilla J. A., Morancho‐Zaragoza J., Aguilar J., Prats‐Gimenez R., Gonzalvo M. C., Fernandez‐Pardo E., et al. Quality specifications for seminal parameters based on state of the art. Hum Reprod 2005; 20: 2573–8
   PubMedGoogle Scholar
• Sandberg S., Thue G. Quality specifications derived from objective analyses based upon clinical needs. Scand J Clin Lab Invest 1999; 59: 531–4
   PubMed Web of Science ®Google Scholar
• Skeie S., Thue G., Sandberg S. Use and interpretation of HbA1c testing in general practice. Implications for quality of care. Scand J Clin Lab Invest 2000; 60: 349–56
   PubMed Web of Science ®Google Scholar
• Perich C., Simón M., Minchinela J., Jiménez C. V., Hernández A., García Lario J. V., et al. Especificaciones de la calidad analítica para glucosa y HbA1c obtenidas a través de encuestas a los clínicos. Quim Clin 2005; 24: 158–63
   Google Scholar
• Thue G., Sandberg G., Fugelli P. The erythrocyte sedimentation rate in general practice: clinical assessment based on case histories. Scand J Clin Lab Invest 1994; 54: 291–300
   PubMed Web of Science ®Google Scholar
• Álvarez C., Castilla J. A., Ramirez J. P., Vergara F., Yoldi A., Fernández A., Gaforio JJl. External quality control program for semen analysis: Spanish experience. J Assist Reprod Genet 2005; 22: 379–87
   PubMedGoogle Scholar
• World Health Organization. WHO laboratory manual for the examination of human semen and semen‐cervical mucus interaction. Cambridge University Press, Cambridge 1999, 4th edn
   Google Scholar
• Fraser C. G. Biological variation: from principles to practice. AACC Press, D.C., Washington 2001, 1st edn
   Google Scholar
• Doumas B. T. The evolution and limitations of accuracy and precision standards. Clin Chim Acta 1997; 260: 145–62
   PubMedGoogle Scholar
• German Medical Association Directive on Quality Assurance of Quantitative Laboratory Tests for Medical Purposes. 2001; 98: A2747–9
   Google Scholar
• World Health Organization. WHO manual for standardized investigation and diagnosis and management of the infertile male. Cambridge University Press, Cambridge 2000
   Google Scholar
• Castilla J. A., Álvarez C., Aguilar J., González‐Varea C., Gonzalvo M. C., Martínez L. Influence of analytical and biological variation on the clinical interpretation of seminal parameters. Hum Reprod 2006; 21: 847–51
   PubMed Web of Science ®Google Scholar
• Poland M. L., Moghissi K. S., Giblin P. T., Ager Jw., Olson J. M. Variation of semen measures within normal men. Fertil Steril 1985; 44: 396–400
   PubMed Web of Science ®Google Scholar
• Carlsen E., Petersen J. H., Andersson A. M., Skakkebaek N. E. Effects of ejaculatory frequency and season on variations in semen quality. Fertil Steril 2004; 82: 358–66
   PubMed Web of Science ®Google Scholar
• Jeyendran R. S. Interpretation of semen analysis results. Cambridge University Press, Cambridge 2000
   Google Scholar
• McKinney K. A., Thompson W. Reproducibility of sperm motility measurements in asthenozoospermic and normozoospermic individuals using the Hamilton‐Thorn motility analyzer. Arch Androl 1994; 33: 151–5
   PubMed Web of Science ®Google Scholar
• Guzick D. S., Overstreet J. W., Factor‐Litvak P., Brazil C. K., Nakajima S. T., Coutifaris C., et al. Sperm morphology, motility, and concentration in fertile and infertile men. N Engl J Med 2001; 345: 1388–93
   PubMed Web of Science ®Google Scholar
• Slama S., Eustache F., Ducot B., Jensen T. K., Jorgensen N., Horte A., et al. Time to pregnancy and semen parameters: a cross‐sectional study among fertile couples from four European cities. Hum Reprod 2002; 17: 503–15
   PubMed Web of Science ®Google Scholar
• Nallella K. P., Sharma R. K., Aziz N., Agarwal A. Significance of sperm characteristics in the evaluation of male infertility. Fertil Steril 2006; 85: 629–34
   PubMed Web of Science ®Google Scholar
• Pasqualotto F. F., Sobreiro B. P., Hallak J Athayde K. S., Pasqualotto E. B., Lucon A. M. High percentage of abnormal semen parameters in a prevasectomy population. Fertil Steril 2006; 85: 954–60
   PubMedGoogle Scholar
• Perich C., Simón M., Minchinela J., Jiménez C. V., Hernández A., García Lario J. V., et al. Especificaciones de la calidad analítica para glucosa y HbA1c obtenidas a través de encuestas a los clínicos. Quim Clin 2005; 24: 158–63
   Google Scholar
• Skeie S., Thue G., Sandberg S. Patient‐derivation quality specifications for instruments used in self‐monitoring of blood glucose. Clin Chem 2001a; 47: 67–73
   PubMed Web of Science ®Google Scholar
• Skeie S., Thue G., Sandberg S. Interpretation of HbA1c values among diabetic patients: implications for quality specifications for HbA1c. Clin Chem 2001b; 47: 1212–17
   PubMed Web of Science ®Google Scholar
• Skeie S., Thue G., Nerhus K., Sandberg S. Instruments for self‐monitoring of blood glucose: comparisons of testing quality achieved by patients and a technician. Clin Chem 2002; 48: 994–1003
   PubMed Web of Science ®Google Scholar
• Kolatkar N. S., Weiss S. L., Cembrowski G. S., Mazze R. S., Hollander P. Comparing methods of estimating maximum allowable analytical error in glycohemoglobin testing [letter]. Am J Clin Pathol 1995; 103: 771–2
   PubMedGoogle Scholar
• Van der Steeg J. W., Steures P., Hompes P. G., Eijkemans M. J., van der Veen F., Mol B. W. Investigation of the infertile couple: a basic fertility work‐up performed within 12 months of trying to conceive generates costs and complications for no particular benefit. Hum Reprod 2005; 20: 2672–4
   PubMed Web of Science ®Google Scholar
• Brosens I., Gordts S., Valkenburg M., Puttemans P., Campo R., Gordts S. L. Investigation of the infertile couple: when is the appropriate time to explore female infertility?. Hum Reprod 2004; 19: 1689–92
   PubMed Web of Science ®Google Scholar
• Jequier A. M. Is quality assurance in semen analysis still necessary? A clinician's viewpoint. Hum Reprod 2005; 20: 2039–42
   PubMedGoogle Scholar
• Yeung C. H., Cooper T. G., Nieschlag E. A technique for standardization and quality control of subjective sperm motility assessments in semen analysis. Fertil Steril 1997; 67: 1156–8
   PubMed Web of Science ®Google Scholar
• Davis R. O., Gravance G. Consistency of sperm morphology classification methods. J Androl 1994; 15: 83–91
   PubMedGoogle Scholar