The limited clinical value of home urine testing by diabetic patients

Journal of General Internal Medicine, May 1987

John D. Goodson, Daniel E. Singer, Katherine Hurxthal, David M. Nathan

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The limited clinical value of home urine testing by diabetic patients

JOURNALOFGENERALINTERNALMEDICINE 0 7. In Figure 1, the d e c i m a l points h a v e b e e n m i s p l a c e d on the g r a p h a n d should r e a d 0 , 0.2, 0.4, 0.6, etc. on b o t h axes 3. In p a r a g r a p h two of Results, line 14, the s e n t e n c e should read: "Even w h e n the definition of g o o d control is r e l a x e d to ~200 m g / d l , the s a m e . . . . " 4. In p a r a g r a p h t h r e e of Results, line 6 should read: "For example, the pretest probability of MBG > 200 m g / d l w a s 63% (76/121 ); of MBG -<200 r n g / d l it w a s 37% (45/121). Notice t h a t the post-test probabilities for this 200 m g / d l threshold r e m a i n close to t h e s e 0.63/0.37 v a l u e s . . . . " 5. In T a b l e 2, the top a n d bottom c a t e g o r i e s for HbAlc distribution should b e -<6.0% a n d > 14%, respectively. - E r r a t a 1. In Table 1, the m e a n blood glucose (MBG) cutoffs should r e a d > 150 m g / d l for the left column a n d -<150 m g / d l for the right column. 2. In p a r a g r a p h four of Methods, line 4, the s e n t e n c e should read: "MBG results w e r e split at >150 m g / d l or -<150 m g / d l . . . . " 9. McDonaldCJ , Hui SL , Smith DM , et aL Remindersto physiciansfrom an introspective computer medical record: a two-year randomized trial . Ann Intern Med 1984 ; 100 : 130 - 8 10. Horn SD , Williamson JW . Statistical methods for reliability and validity testing: an applicationto nominal groupjudgments in health care . Med Care 1977 ; 15 : 922 - 8 11. Hanley JA , McNeil BJ . The meaning and use of the area under a receiver operating characteristic (ROC) curve . Radiology 1982 ; 143 : 29 - 36 12. Department of ClinicatEpidemiologyand Biostatistics, McMaster University, Hamilton, Ont. Interpretation of diagnostic data: 5. How to do it with simple maths . Can Med AssocJ 1983 ; 129 : 947 - 54 3. Kteinbaum DG , Kupper LL , Morgenstern H. Epidemiologicresearch : principlesand quantitative methods . Belmont, CA: Lifetime Learning Publications, 1982 ; 288 - 94 14. SchlesselmanJJ . Case-control studies: design, conduct, analysis . New York: Oxford University Press, 1982 ; 171 - 81 , 227 - 38 15. Carl :wright GE. The anemia of chronic disorders . Semin Hematol 1966 ; 3 : 351 - 75 16. DouglasSW, AdamsonJW. The anemia of chronic disorders: studies of marrow regulation and iron metabolism . Blood 1975 ; 45 : 55 - 65 17. Engel JP , ScheinOD, Conley L. Bone marrow hemosiderin does not always reflect body iron stores . Arch Intern Med 1982 ; 142 : 287 - 8 18. Jacobs A , Worwood M. The biochemistry of ferritin and its clinical implications . Progr Hematol 1975 ; 9 : 1 - 24 19. Blumberg AB , Marti HRM , Graber CG . Serum ferritin and bone marrow iron in patients undergoing continuous ambulatory peritoneal dialysis . JAMA 1983 ; 250 : 3317 - 19 20. Forman DT , Vye MV . Immunoradiometric serum ferritin concentration compared with stainable bone-marrow iron as indicesto iron stores . Clin Chem 1980 ; 26 : 145 - 7 21. FinchCA, HuebersH. Perspectivesin iron metabolism . N EnglJ Med 1982 ; 306 : 1520 - 8 22. Prieto J , Barry M , Sherlock S . Serum ferritin in patients with iron overload and with acute and chronic liver diseases . Gastroenterology 1975 ; 68 : 525 - 33 23. Smith RJ , DavisP, Thomson ABR , Wadsworth LD , Fackre P . Serum ferritin levels in the anemia of rheumatoid arthritis . J Rheumatol 1977 ; 4 : 389 - 92 24. Ali MAM , Luxton AW , Walker WHC . Serum ferritin concentration and bone marrow iron stores: a prospective study . Can Med Assoc J 1978 ; 118 : 945 - 6 25. BeldjordK, BenlatracheK, ColonnaP. Adequacyof the serum ferritin concentration for the diagnosisof uncomplicatediron deficiency . Acta Haematol 1983 ; 69 : 61 - 2 26. Peters SW , Jacobs A , Fitzsimons E. Erythrocyte ferritin in normal subjectsand patients with abnormal iron metabolism . Br J Haematol 1983 ; 53 : 211 - 6 27, McClureS , Custer E , BessmanJD. Improved detection of early iron deficiencyin nonanemicsubjects . JAMA 1985 ; 253 : 1021 - 3 28. Peter F , Wang S . Serum iron and total iron-binding capacity compared with serum ferritin in assessmentof iron deficiency . ClinChem 1981 ; 27 : 276 - 9 29. Carr MC . The diagnosisof iron deficiencyin pregnancy . Obstet Gynecol 1974 ; 43 : 15 - 21 30. AncesG, GranadosJ, Baltazar M. Serum ferritin as an early determinant of decreased iron stores in pregnant women . South Med J 1979 ; 72 : 591 - 2 31. CrosbyWH , O'Neill-Cutting MA . A small-doseiron tolerance test as an indicator of mild iron deficiency . JAMA 1984 ; 251 : 1986 - 7 32. Diamond GA , RozanskiA, Forrester JS , et al. A model for assessing the sensitivity and specificityof tests subjectto selectionbias:application to exerciseradionuclideventriculography for diagnosisof coronary artery disease . J Chronic Dis 1986 ; 39 : 343 - 55


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John D. Goodson, Daniel E. Singer, Katherine Hurxthal, David M. Nathan. The limited clinical value of home urine testing by diabetic patients, Journal of General Internal Medicine, 1987, 167-167, DOI: 10.1007/BF02596145