Inter-observer and intra-observer variability in hepatology

European Journal of Gastroenterology and Hepatology

Volumn 15, Issue 9, 2003, Pages 959-966

  Winkfield, Betsy ^a   Aubé, Christophe ^a   Burtin, Pascal ^a   Calès, Paul ^a  

^a ANGERS UNIVERSITY HOSPITAL   (France)

Author keywords

Agreement; Diagnosis; Hepatology; Inter observer variability; Intra class correlation coefficient; Kappa index; Methodology; Quality score; Statistics

Indexed keywords

ARTICLE; CONTROLLED STUDY; CORRELATION COEFFICIENT; DIAGNOSTIC ACCURACY; ENDOSCOPY; ESOPHAGUS VARICES; HEPATIC ARTERY; HISTOPATHOLOGY; HUMAN; LIVER CIRRHOSIS; MEDICAL ASSESSMENT; PRIORITY JOURNAL; RECORDING; STANDARDIZATION; STATISTICAL ANALYSIS; ULTRASOUND;

ESOPHAGEAL AND GASTRIC VARICES; FATTY LIVER; HUMANS; LIVER CIRRHOSIS; LIVER DISEASES; OBSERVER VARIATION; REPRODUCIBILITY OF RESULTS; RESEARCH; RESEARCH DESIGN; STATISTICS;

EID: 0043263859     PISSN: 0954691X     EISSN: None     Source Type: Journal    
DOI: 10.1097/00042737-200309000-00004     Document Type: Article

References (41)

1. Burtin P, Calès P. Variability due to observers. Gastroenterol Clin Biol 1998; 22:897-905. (In French)
2. Grenier B. Concordances. In: Décision médicale. Paris: Masson Press; 1992. pp. 137-168.
3. Dunn G. Design and Analysis of Reliability Studies. New York: Oxford University Press; 1989.
4. Tissot O, Aubé C, Namour A, Blanc F, Dauver A, Calès P. Concordance inter-observateurs de la sémiologie échographique de la cirrhose. Gastroenterol Clin Biol 1995; 19:291-296.
5. Blendis LM, Mc Neilly WJ, Sheppard L, Wiliams R, Laws JW. Observer variation in the clinical and radiological assessment of hepatosplenomegaly. Br Med J 1970; i:727-730.
6. Espinoza P, Ducot B, Pelletier G, Attali C, Buffet C, David B. Interobserver agreement in the physical diagnosis of alcoholic liver disease. Dig Dis Sci 1987; 32:244-247.
7. Cattau E, Benjamin S, Knuff T, Castell D. The accuracy of the physical examination in the diagnosis of suspected ascites. JAMA 1982; 247:1164-1166.
8. Calès P, Buscail L, Bretagne JF, Champigneulle B, Bourbon O, Duclos B, et al. Concordance inter-observateurs inter-centres des signes endoscopiques gastro-oesophagiens au cours de la cirrhose. Gastroenterol Clin Biol 1989; 13:967-973.
9. Calès P, Zabotto B, Meskens C, Caucanas JP, Vinel JP, Desmorat H, et al. Gastroesophageal endoscopic features in cirrhosis: observer variability, interassociations and relationship to hepatic dysfunction. Gastroenterology 1990; 98:156-162.
10. Bendtsen F, Skovgaard LT, Thorkild IA, Sorensen T, Matzen P. Agreement among multiple observers on endoscopic diagnosis of oesophageal varices before bleeding. Hepatology 1990; 11:341-347.
11. Calès P, Burtin P, Person B, Ruget O, Charlois T, Ferrero P, et al. Interobserver agreement on endoscopic diagnosis of diffuse gastric mucosal features in cirrhotic patients. Eur J Gastroenterol Hepatol 1993; 5:263-268.
12. Parra OM, Nigro AJT, Otta A, Saad WA. Endoscopic evaluation of oesophageal varices: comparison between a classic and a metric method. Arq Gastroenterol Sao Paulo 1987; 24:88-92.
13. Conn HO, Smith HW, Brodoff M. Observer variation in the endoscopic diagnosis of oesophageal varices. N Engl J Med 1965; 272:830-834.
14. Theodossi A, Westaby D, Spiegalahalter DJ, Macdougall BRD, Williams R. Observer variation in the endoscopic assessment of oesophageal and gastric varices. Gut 1984; 25:A577.
15. Dagradi AE, Rodiles DH, Cooper E, Stempien SJ. Endoscopic diagnosis of oesophageal varices. Am J Gastroenterol 1971; 56:371-377.
16. Italian Liver Cirrhosis Project. Reliability of endoscopy in the assessment of variceal features. J Hepatol 1987; 4:93-98.
17. Bedossa P, Bioulac-Sage P, Callard P, Chevallier M, Degott C, Deugnier Y, et al. Intra and inter-observer variations in liver biopsy interpretation in patients with chronic hepatitis C. Hepatology 1994; 20:15-20.
18. Rousselet MC, Saint André JP, Dupré F, Croué A, Calès P. Etude de reproductibilité des scores histopathologiques des hépatites chroniques virales. Bulletin de la Division Française de l'AIP 1998; 27:52-57.
19. Theodossi A, Skene AM, Paortmann B, Knill-Jones RP, Patrick RS, Tate RA, et al. Observer variation in assessment of liver biopsies including analysis by kappa statistics. Gastroenterology 1980; 79:232-241.
20. Younossi ZM, Gramlich T, Liu YC, Matteoni C, Petrelli M, Goldblum J. Non alcoholic fatty liver disease: assessment of variability in pathologic interpretations. Mod Pathol 1998; 11:560-565.
21. Demetris AJ, Belle SH, Hart J, Lewin K, Ludwig J, Snover DC, et al. Intraobserver and interobserver variation in the histopathological assessment of liver allograft rejection. Hepatology 1991; 14:751-755.
22. Soloway RD, Baggenstoss AH, Schoenfield U, Summerskill WHJ. Observer error and sampling variability tested in evaluation of hepatitis and cirrhosis by liver biopsy. Dig Dis Sci 1971; 16:1082-1086.
23. Baunsgaard P, Sanchez GC, Lundborg CJ. The variation of pathological changes in the liver evaluated by double biopsies. Acta Pathol Microbiol Scand 1979; 87:51-57.
24. Garceau AJ, and the Boston Inter-Hospital Liver Group. The natural history of cirrhosis. N Engl J Med 1964; 271:1173-1178.
25. Bedossa P, Poynard T, Naveau S, Martin ED, Agostini H, Chaput JC. Observer variation in assessment of liver biopsies of alcoholic patients. Alcohol Clin Exp Res 1988; 12:1-6.
26. Pilette C, Rousselet MC, Bedossa P, Chappard D, Oberti F, Rifflet H, et al. Histopathological evaluation of liver fibrosis: quantitative image analysis vs semi-quantitative scores comparison with serum markers. J Hepatol 1998; 27:1-8.
27. Abdi W, Millian JC, Mezey E. Sampling variability on percutaneous liver biopsy. Arch Intern Med 1979; 139:667-669.
28. Maharaj B, Maharaj RJ, Leary WP, Coopan RM, Naran AD, et al. Sampling variability and its influence on the diagnostic yield of percutaneous needle biopsy of the liver. Lancet 1986; i:523-525.
29. Iwao T, Toyonaga A, Shigemori H, Oho K, Sumino M, Sato M, et al. Echo-Doppler measurements of portal vein and superior mesenteric artery blood flow in humans: inter- and intra-observer short-term reproducibility. J Gastroenterol Hepatol 1996; 11:40-46.
30. Oppo K, Leen E, Angerson WJ, Cooke TG, McArdle CS. Doppler perfusion index: an interobserver and intraobserver reproducibility study. Radiology 1998; 208:453-457.
31. Gibson RN, Gibson PR, Donlan JD, Padmanabhan R. Modified Doppler flowmetry in the splanchnic circulation. Gastroenterology 1993; 105:1029-1034.
32. Paulson EK, Kliewer MA, Frederick MG, Keogan MT, Delong DM, Nelson RC. Hepatic artery: variability in measurement of resistive index and systolic acceleration time in healthy volunteers. Radiology 1996; 200:725-729.
33. Sabbà C, Merkel C, Zoli M, Ferraiolo G, Gaiani S, Sacerdoti D, et al. Interobserver and interequipment variability of echo-Doppler examination of the portal vein: effect of a cooperative training program. Hepatology 1995; 21:428-433.
34. Sacerdoti D, Gaiani S, Buonamico P, Merkel C, Zoli M, Bolondi L, et al. Interobserver and interequipment variability of hepatic, splenic and renal arterial Doppler resistance indices in normal subjects and patients with cirrhosis. J Hepatol 1997; 27:986-992.
35. De Vries PJ, Van Hatum J, Hoekstra JBL, De Hooge P. Duplex Doppler measurements of portal venous flow in normal subjects: inter- and intra-observer variability. J Hepatol 1991; 13:358-363.
36. Colli A, Cocciolo M, Mumoli N, Cattalini N, Fraquelle M, Conte D. Hepatic artery resistance in alcoholic liver disease. Hepatology 1998; 28:1182-1186.
37. Sabbà C, Weltin G, Cicchetti DV, Ferraioli G, Taylor KJW, Nakamura T, et al. Observer variability in echo-Doppler measurements of portal flow in cirrhotic patients and normal volunteers. Gastroenterology 1990; 98:1603-1611.
38. Conn HO, Mitchell JR, Brodoff MG. A comparison of the radiologic and oesophagoscopic diagnosis of oesophageal varices. N Engl J Med 1961; 265:160-164.
39. Voigt JJ. Le score de Métavir et le score de Knodell. Bulletin de la Division Française de l'AIP 1998; 27:46-51.
40. Bolondi L, Gaiani S, Barbara L. Accuracy and reproducibility of portal flow measurement by Doppler US. J Hepatol 1991; 13:269-273.
41. Grant JM. The fetal heart is normal, isn't it? Observer agreement of categorical assessments. Lancet 1991; 337:215-218.