Assessing agreement between malaria slide density readings

Malaria Journal

Volumn 9, Issue 1, 2010, Pages

  Alexander, Neal ^a,b   Schellenberg, David ^a   Ngasala, Billy ^c,d   Petzold, Max ^e,f   Drakeley, Chris ^a   Sutherland, Colin ^a,g  

^a LONDON SCHOOL OF HYGIENE AND TROPICAL MEDICINE   (United Kingdom)

^b GEORGE WASHINGTON UNIVERSITY   (United States)

^c KAROLINSKA UNIVERSITY HOSPITAL   (Sweden)

^d MUHIMBILI UNIVERSITY OF HEALTH AND ALLIED SCIENCES   (Tanzania)

^e KAROLINSKA INSTITUTE   (Sweden)

^f NORDIC SCHOOL OF PUBLIC HEALTH   (Sweden)

^g PUBLIC HEALTH ENGLAND   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ANALYTICAL ERROR; ARTICLE; BLOOD ANALYSIS; BLOOD VOLUME; CONTROLLED STUDY; HUMAN; INTERRATER RELIABILITY; MALARIA; MATHEMATICAL MODEL; NONHUMAN; OBSERVER VARIATION; PARAMETER; PARASITE; PARASITE DENSITY; PARASITE IDENTIFICATION; POISSON DISTRIBUTION; QUALITY CONTROL; SENSITIVITY AND SPECIFICITY; TANZANIA; ANIMAL; BLOOD; DIAGNOSIS, MEASUREMENT AND ANALYSIS; METHODOLOGY; MICROSCOPY; PARASITOLOGY; STANDARD;

ANIMALS; BLOOD; CLINICAL LABORATORY TECHNIQUES; HUMANS; MALARIA; MICROSCOPY; QUALITY CONTROL; TANZANIA;

EID: 76749152022     PISSN: None     EISSN: 14752875     Source Type: Journal    
DOI: 10.1186/1475-2875-9-4     Document Type: Article

References (41)

1. The reliability of diagnostic techniques in the diagnosis and management of malaria in the absence of a gold standard. LB Ochola P Vounatsou T Smith ML Mabaso CR Newton, Lancet Infect Dis 2006 6 582 588 10.1016/S1473-3099(06)70579-5 16931409
2. A review of malaria diagnostic tools: microscopy and rapid diagnostic test (RDT). C Wongsrichanalai MJ Barcus S Muth A Sutamihardja WH Wernsdorfer, Am J Trop Med Hyg 2007 77 119 127 18165483
3. Measurement of malaria vaccine efficacy in phase III trials: report of a WHO consultation. V Moorthy Z Reed PG Smith, Vaccine 2007 25 5115 5123 10.1016/j.vaccine.2007.01.085 17577487
4. Improving the accuracy of malaria-related laboratory tests in Ghana. I Bates V Bekoe A Asamoa-Adu, Malar J 2004 3 38 10.1186/1475-2875-3-38 15516269
5. Ensuring quality and access for malaria diagnosis: how can it be achieved? D Bell C Wongsrichanalai JW Barnwell, Nat Rev Microbiol 2006 4 682 695 10.1038/nrmicro1474 16912713 (Pubitemid 44241562)
6. Malaria Light Microscopy: Creating a Culture of Quality. Report of WHO WPRO-SEARO Bi-regional Workshop on Quality Assurance for Malaria Microscopy. World Health Organization, Manila 2005 RS/2005/GE/03(MAA)
7. Laboratory diagnosis of malaria. DC Warhurst JE Williams, J Clin Pathol 1996 49 533 538 10.1136/jcp.49.7.533 8813948
8. Comparison of field and expert laboratory microscopy for active surveillance for asymptomatic Plasmodium falciparum and Plasmodium vivax in western Thailand. RE Coleman N Maneechai N Rachaphaew C Kumpitak RS Miller V Soyseng K Thimasarn J Sattabongkot, Am J Trop Med Hyg 2002 67 141 144 12389937
9. Randomised trial of efficacy of SPf66 vaccine against Plasmodium falciparum malaria in children in southern Tanzania. PL Alonso T Smith JRM Armstrong Schellenberg H Masanja S Mwankusye H Urassa I Bastos de Azevedo J Chongela S Kobero C Menendez N Hurt MC Thomas E Lyimo NA Weiss R Hayes AY Kitua MC Lopez WL Kilama T Teuscher M Tanner, Lancet 1994 344 1175 1181 10.1016/S0140-6736(94)90505-3 7934537
10. Effect of vitamin A supplementation on morbidity due to Plasmodium falciparum in young children in Papua New Guinea: a randomised trial. AH Shankar B Genton RD Semba M Baisor J Paino S Tamja T Adiguma L Wu L Rare J Tielsch MP Alpers KP West, Lancet 1999 354 203 209 10.1016/S0140-6736(98)08293-2 10421302
11. Assessment and monitoring of antimalarial drug efficacy for the treatment of uncomplicated falciparum malaria. World Health Organization, Geneva: WHO/HTM/RBM/2003.50 2003
12. Attributable fraction estimates and case definitions for malaria in endemic areas. T Smith J Armstrong Schellenberg R Hayes, Stat Med 1994 13 2345 2358 10.1002/sim.4780132206 7855468 (Pubitemid 24354857)
13. Severe falciparum malaria. World Health Organization, 2000 94 1 90
14. Efficacy of RTS,S/AS01E vaccine against malaria in children 5 to 17 months of age. P Bejon J Lusingu A Olotu A Leach M Lievens J Vekemans S Mshamu T Lang J Gould MC Dubois MA Demoitie JF Stallaert P Vansadia T Carter P Njuguna KO Awuondo A Malabeja O Abdul S Gesase N Mturi CJ Drakeley B Savarese T Villafana WR Ballou J Cohen EM Riley MM Lemnge K Marsh L von Seidlein, NEJM 2008 359 2521 2532 10.1056/NEJMoa0807381 19064627
15. Repeatability and reproducibility of egg counts of Schistosoma haematobium in urine. RA Braun-Munzinger BA Southgate, Trop Med Parasitol 1992 43 149 154 1470831
16. Statistical methods for assessing agreement between two methods of clinical measurement. MJ Bland DG Altman, Lancet 1986 1 307 310 2868172
17. Reliability of malaria microscopy in epidemiological studies: results of quality control. AH Kilian WG Metzger EJ Mutschelknauss G Kabagambe P Langi R Korte F von Sonnenburg, Trop Med Int Health 2000 5 3 8 10.1046/j.1365-3156.2000. 00509.x 10672199
18. Comparison of methods for the rapid laboratory assessment of children with malaria. T Planche S Krishna M Kombila K Engel JF Faucher E Ngou-Milama PG Kremsner, 2001 65 599 602 11716121
19. Sources of variability in determining malaria parasite density by microscopy. W Prudhomme O'Meara FE McKenzie AJ Magill JR Forney B Permpanich C Lucas RA Gasser Jr C Wongsrichanalai, Am J Trop Med Hyg 2005 73 593 598 16172488
20. Repeatability of paired counts. N Alexander J Bethony R Corra-Oliveira LC Rodrigues P Hotez S Brooker, Stat Med 2007 26 3566 3577 10.1002/sim.2724 17091531
21. The log transformation is special. ON Keene, Stat Med 1995 14 811 819 10.1002/sim.4780140810 7644861
22. On the error of counting with a haemacytometer. Student, Biometrika 1907 5 351 360
23. Statistical Methods in Medical Research. P Armitage G Berry JNS Matthews, Oxford: Blackwell Scientific Publications 4 2001
24. Generalized linear modelling for parasitologists. K Wilson BT Grenfell, Parasitol Today 1997 13 33 38 10.1016/S0169-4758(96)40009-6 15275165
25. District Laboratory Practice in Tropical Countries. M Cheesbrough, Cambridge: Cambridge University Press 1999
26. A comparative study of thick and thin blood films in the diagnosis of scanty malaria parasitaemia. MA Dowling GT Shute, Bull World Health Organ 1966 34 249 267 5296131
27. White blood cell counts and malaria. FE McKenzie WA Prudhomme AJ Magill JR Forney B Permpanich C Lucas RA Gasser Jr C Wongsrichanalai, J Infect Dis 2005 192 323 330 10.1086/431152 15962228
28. Comparison of two simple methods for determining malaria parasite density. BM Greenwood JR Armstrong, Trans R Soc Trop Med Hyg 1991 85 186 188 10.1016/0035-9203(91)90015-Q 1887466
29. Altitude-dependent and -independent variations in Plasmodium falciparum prevalence in northeastern Tanzania. CJ Drakeley I Carneiro H Reyburn R Malima JP Lusingu J Cox TG Theander WM Nkya MM Lemnge EM Riley, J Infect Dis 2005 191 1589 1598 10.1086/429669 15838785
30. Impact of training in clinical and microscopy diagnosis of childhood malaria on antimalarial drug prescription and health outcome at primary health care level in Tanzania: A randomized controlled trial. B Ngasala M Mubi M Warsame MG Petzold AY Massele LL Gustafsson G Tomson Z Premji A Bjorkman, Malar J 2008 7 199 10.1186/1475-2875-7-199 18831737
31. Addition of artesunate to chloroquine for treatment of Plasmodium falciparum malaria in Gambian children causes a significant but short-lived reduction in infectiousness for mosquitoes. CJ Drakeley M Jawara GA Targett G Walraven U Obisike R Coleman M Pinder CJ Sutherland, Trop Med Int Health 2004 9 53 61 10.1046/j.1365-3156.2003.01169.x 14728607
32. Statistical considerations in the microscopical diagnosis of Malaria, with special reference to the role of cross-checking. K Raghavan, Bull World Health Organ 1966 34 788 791 5296237
33. Quality Control: Principles and Practice in the Microbiology Laboratory. JJS Snell ID Farrell C Roberts (eds), London: Public Health Laboratory Service 1991
34. Quantile regression. R Koenker KF Hallock, 2001 15 143 156
35. Reader technique as a source of variability in determining malaria parasite density by microscopy. W Prudhomme O'Meara M Barcus C Wongsrichanalai S Muth JD Maguire RG Jordan WR Prescott FE McKenzie, Malar J 2006 5 118 10.1186/1475-2875-5-118 17164007
36. Use and limitations of light microscopy for diagnosing malaria at the primary health care level. D Payne, Bull World Health Organ 1988 66 621 626 2463112
37. Production and validation of durable, high quality standardized malaria microscopy slides for teaching, testing and quality assurance during an era of declining diagnostic proficiency. JD Maguire ER Lederman MJ Barcus WA O'Meara RG Jordon S Duong S Muth P Sismadi MJ Bangs WR Prescott JK Baird C Wongsrichanalai, Malar J 2006 5 92 10.1186/1475-2875-5-92 17062168
38. The financial and clinical implications of adult malaria diagnosis using microscopy in Kenya. D Zurovac BA Larson W Akhwale RW Snow, Trop Med Int Health 2006 11 1185 1194 10.1111/j.1365-3156.2006.01674.x 16903882
39. Microscopy and outpatient malaria case management among older children and adults in Kenya. D Zurovac B Midia SA Ochola M English RW Snow, Trop Med Int Health 2006 11 432 440 10.1111/j.1365-3156.2006.01587.x 16553926
40. Establishing a malaria diagnostics centre of excellence in Kisumu, Kenya. C Ohrt P Obare A Nanakorn C Adhiambo K Awuondo WP O'Meara S Remich K Martin E Cook JP Chretien C Lucas J Osoga P McEvoy ML Owaga JS Odera B Ogutu, Malar J 2007 6 79 10.1186/1475-2875-6-79 17565676
41. Bruce-Chwatt's Essential Malariology. HM Gilles D Warrell, London: Arnold 3 1993