13 C-urea breath test for Helicobacter pylori in young children: Cut-off point determination by finite mixture model

Statistics in Medicine

Volumn 23, Issue 13, 2004, Pages 2049-2060

  Du, Joanna X ^a   Watkins, Terry ^b   Bravo, Luis E ^c   Fontham, Elizabeth T H ^d   Camargo, M Constanza ^a   Correa, Pelayo ^a   Mera, Robertino ^a  

^a LOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE   (United States)

^b UNIVERSITY OF NEW ORLEANS   (United States)

^c UNIVERSIDAD DEL VALLE   (Colombia)

^d LSUHSC School of Public Health   (United States)

Author keywords

Bootstrap; Children; EM algorithm; Finite mixture distribution; Helicobacter pylori; UBT

Indexed keywords

CARBON 13; CARBON; UREA;

ALGORITHM; ANALYTIC METHOD; ARTICLE; COHORT ANALYSIS; CONTROLLED STUDY; DIAGNOSTIC ACCURACY; DIAGNOSTIC TEST; DIAGNOSTIC VALUE; EPIDEMIOLOGICAL DATA; FEMALE; FINITE ELEMENT ANALYSIS; FOLLOW UP; HELICOBACTER INFECTION; HELICOBACTER PYLORI; HUMAN; INFANT; LONGITUDINAL STUDY; MAJOR CLINICAL STUDY; MALE; MAXIMUM LIKELIHOOD METHOD; NONHUMAN; PATHOGENESIS; PRESCHOOL CHILD; REFERENCE VALUE; RELIABILITY; SAMPLE SIZE; SENSITIVITY AND SPECIFICITY; STANDARDIZATION; STATISTICAL MODEL; STATISTICAL PARAMETERS; STOMACH BIOPSY; UREA BREATH TEST; VALIDATION PROCESS; BREATH ANALYSIS; COLOMBIA; ISOLATION AND PURIFICATION; ROC CURVE;

BREATH TESTS; CARBON ISOTOPES; CHILD, PRESCHOOL; COHORT STUDIES; COLOMBIA; HELICOBACTER PYLORI; HUMANS; INFANT; LIKELIHOOD FUNCTIONS; ROC CURVE; SENSITIVITY AND SPECIFICITY; UREA;

EID: 3242795911     PISSN: 02776715     EISSN: None     Source Type: Journal    
DOI: 10.1002/sim.1797     Document Type: Article

References (24)

1. Megraud F. Epidemiology of Helicobacter pylori infection: where are we in 1995? European Journal of Gastroenterology Hepatology, 1995; 7(4):292-295. Review.
2. Warren JR, Marshall BJ. Unidentified curved bacilli on gastritis epithelium in active chronic gastritis. Lancet 1983; 8336:1273-1275.
3. Marshall BJ, Warren JR. Unidentified curved bacilli in the stomach of patients with gastritis and peptic ulceration. Lancet 1984; 1(8390):1311-1315.
4. The EUROGAST Study Group. An international association between Helicobacter pylori infection and gastric cancer. Lancet 1993; 341(8857):1359-1362.
5. Lindkvist P, Asrat D, Nilsson I, Tsega E. Olsson GL, Wretlind B et al. Age at acquisition of Helicobacter pylori infection: comparison of a high and low prevalence country. Scandinavian Journal of Infectious Diseases 1996; 28:181-184.
6. Braden B, Posselt HG, Ahrens P, Kitz R, Dietrich CF, Caspary WF. New immunoassay in stool provides an accurate noninvasive diagnostic method for Helicobacter pylori screening in children. Pediatrics 2000; 106 (1 Pt 1):115-117.
7. Thi js JC, van Zwer AA, Thi js WJ, Oey HB et al. Diagnostic tests for Helicobacter pylori: a prospective evaluation of their accuracy, without selecting a single test as the gold standard. American Journal of Gastroenterology 1996; 91:2125-2129.
8. 13C-urea breath test. American Journal of Gastroenterology 1993; 88:1865-1869.
9. 13C-urea breath test for the diagnosis of Helicobacter pylori infection. Comparison with histology. Gastroenterologic Clinique et Biologique 1994; 18:1106-1111.
10. Cutler AF, Havstad S, Ma CK, Blaser MJ et al. Accuracy of invasive and noninvasive tests to diagnose Helicobacter pylori infection. Gastroenterology 1995; 109:136-141.
11. 13C-urea breath test for the detection of Helicobacter pylori. European Journal of Gastroenterology & Hepatology 1990; 2:437-444.
12. 13C-urea breath test results in children. Journal of Pediatric Gastroenterology and Nutrition 2000; 30:85-91.
13. Imrie C, Rowland M, Bourke B, Drumm B. Limitations to carbon 13-labeled urea breath testing for Helicobacter pylori in infants. Clinical and Laboratory Observations, doi: 10.1067/mpd.2001.118398.
14. 13C-urea breath test to the detection of Helicobacter pylori gastritis in children. Pediatrics 1992; 90(4):608-611.
15. 13C-urea breast test. Journal of Clinical Gastroenterology 1999; 28(3):238-240.
16. Rowland M, Lambert I, Gormally S, Daly, LE, Thomas JE et al. Hetherington C. Durnin M. Drumm B. Carbon 13-labeled urea breath test for the diagnosis of Helicobacter pylori infection in children. The Journal of Pediatrics 1997; 131:815-820.
17. 13C-urea breath test for the diagnosis of Helicobacter pylori infection in children: a multicenter study. The American Journal of Gastroenterology 2000; 95(3):646-650.
18. 13C-urea breath test for Helicobacter pylori: cutoff point determination by cluster analysis. Clinical Science 1997; 93:3-6.
19. 13C-urea breath test among a large population of young children from a developing country. Pediatric Research 1999; 46:147-151.
20. 13C-urea breath test threshold calculation and evaluation for the detection of Helicobacter pylori infection in children. BMC Gastroenterology 2002; 2:12.
21. Titterington DM, Smith AFM, Makov UE. Statistical Analysis of Finite Mixture Distributions. Wiley: New York, 1985; 52-93.
22. Goodman KJ, Correa P, Tengana Aux HJ et al. Helicobacter pylori infection in the Colombian Andes: a population-based study of transmission pathways. American Journal of Epidemiology 1996; 144(3):190-199.
23. Efron B. The Jackknife, the Bootstrap and Other Resampling Plans. Society for Industrial and Applied Mathematics: Philadelphia, PA, 1982; 27-36.
24. Fletcher RH, Fletcher SW, Wagner EH. Clinical Epidemiology: the Essentials. (2nd edn). Williams & Wilkins: Baltimore, MD, 1988; 49-50.