Measuring agreement, more complicated than it seems

Nephron - Clinical Practice

Volumn 120, Issue 3, 2012, Pages

  Van Stralen, K J ^a,d   Dekker, F W ^a,b   Zoccali, C ^c   Jager, K J ^a  

^a UNIVERSITY OF AMSTERDAM   (Netherlands)

^b LEIDEN UNIVERSITY MEDICAL CENTER   (Netherlands)

^c OSPEDALI RIUNITI   (Italy)

^d ACADEMIC MEDICAL CENTER   (Netherlands)

Author keywords

2 test; Agreement; Bland Altman plot; Cohen's ; Continuous variables; Correlation coefficient; t test

Indexed keywords

ARTICLE; BLAND ALTMAN PLOT; CHI SQUARE TEST; COHEN KAPPA ANALYSIS; CORRELATION COEFFICIENT; GLOMERULUS FILTRATION RATE; HUMAN; HYPERTENSION; KIDNEY FAILURE; PRIORITY JOURNAL; STATISTICAL ANALYSIS; STUDENT T TEST; SYSTOLIC BLOOD PRESSURE;

BLOOD PRESSURE DETERMINATION; CALIBRATION; GLOMERULAR FILTRATION RATE; HUMANS; REPRODUCIBILITY OF RESULTS; STATISTICS AS TOPIC;

EID: 84862490349     PISSN: None     EISSN: 16602110     Source Type: Journal    
DOI: 10.1159/000337798     Document Type: Article

References (15)

1. Merkin SS, Cavanaugh K, Longenecker JC, Fink NE, Levey AS, Powe NR: Agreement of self-reported comorbid conditions with medical and physician reports varied by disease among end-stage renal disease patients. J Clin Epidemiol 2007; 60: 634-642.
2. Pearson K: Determination of the coefficient of correlation. Science 1909; 30: 23-25.
3. Harris JA: Supplementary note on the significance of variety tests. Science 1913; 37: 493-494.
4. Bland JM, Altman DG: Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1986; 1: 307-310.
5. Michels WM, Grootendorst DC, Verduijn M, Elliott EG, Dekker FW, Krediet RT: Performance of the Cockcroft-Gault, MDRD, and new CKD-EPI formulas in relation to GFR, age, and body size. Clin J Am Soc Nephrol 2010; 5: 1003-1009.
6. Beevers G, Lip GY, O'Brien E: ABC of hypertension. Blood pressure measurement. Part I-sphygmomanometry: factors common to all techniques. BMJ 2001; 322: 981-985.
7. Krouwer JS: Why Bland-Altman plots should use X, not (Y+X)/2 when X is a reference method. Stat Med 2008; 27: 778-780.
8. Bland JM, Altman DG: Agreement between methods of measurement with multiple observations per individual. J Biopharm Stat 2007; 17: 571-582.
9. Myles PS, Cui J: Using the Bland-Altman method to measure agreement with repeated measures. Br J Anaesth 2007; 99: 309-311.
10. Rombach SM, Baas MC, ten Berge IJ, Krediet RT, Bemelman FJ, Hollak CE: The value of estimated GFR in comparison to measured GFR for the assessment of renal function in adult patients with Fabry disease. Nephrol Dial Transplant 2010; 25: 2549-2556.
11. Botev R, Mallie JP, Couchoud C, Schuck O, Fauvel JP, Wetzels JF, Lee N, De Santo NG, Cirillo M: Estimating glomerular filtration rate: Cockcroft-Gault and Modification of Diet in Renal Disease formulas compared to renal inulin clearance. Clin J Am Soc Nephrol 2009; 4: 899-906.
12. Van Hoeck KJ, Lilien MR, Brinkman DC, Schroeder CH: Comparing a urea kinetic monitor with Daugirdas formula and dietary records in children. Pediatr Nephrol 2000; 14: 280-283.
13. Cohen J: A coefficient of agreement for nominal scales. Educ Psychol Meas 1960; 20: 37-46.
14. Landis JR, Koch GG: The measurement of observer agreement for categorical data. Biometrics 1977; 33: 159-174.
15. Altman DG: Practical Statistics for Medical Research. London, Chapman and Hall, 1999.