Intraclass correlation coefficients for cluster randomized trials in care pathways and usual care: Hospital treatment for heart failure

BMC Health Services Research

Volumn 14, Issue , 2014, Pages

  Kul, Seval ^a   Vanhaecht, Kris ^b,c,d   Panella, Massimiliano ^d,e  

^a GAZIANTEP UNIVERSITY   (Turkey)

^b UNIVERSITY HOSPITALS LEUVEN   (Belgium)

^c Center for Health Services and Nursing Research School of Public Health Leuven   (Norway)

^d European Pathway Association   (Belgium)

^e UNIVERSITY OF EASTERN PIEDMONT   (Italy)

Author keywords

Care pathways; Heart failure; Intraclass correlation coefficient; Multicenter cluster randomized trials

Indexed keywords

AGED; ANALYSIS OF VARIANCE; CLINICAL PATHWAY; CONFIDENCE INTERVAL; FEMALE; HEART FAILURE; HOSPITALIZATION; HUMAN; LENGTH OF STAY; MALE; MIDDLE AGED; MULTICENTER STUDY (TOPIC); OBSERVER VARIATION; PROCEDURES; RANDOMIZED CONTROLLED TRIAL (TOPIC); REPRODUCIBILITY; SAMPLE SIZE; STATISTICS; STATISTICS AND NUMERICAL DATA; TREATMENT OUTCOME; VERY ELDERLY;

AGED; AGED, 80 AND OVER; ANALYSIS OF VARIANCE; CONFIDENCE INTERVALS; CRITICAL PATHWAYS; FEMALE; HEART FAILURE; HOSPITALIZATION; HUMANS; LENGTH OF STAY; MALE; MIDDLE AGED; MULTICENTER STUDIES AS TOPIC; OBSERVER VARIATION; RANDOMIZED CONTROLLED TRIALS AS TOPIC; REPRODUCIBILITY OF RESULTS; SAMPLE SIZE; STATISTICS AS TOPIC; TREATMENT OUTCOME;

EID: 84898021555     PISSN: None     EISSN: 14726963     Source Type: Journal    
DOI: 10.1186/1472-6963-14-84     Document Type: Article

References (48)

1. Evaluation of health interventions at area and organization level. Ukoumunne OC, Gulliford MC, Chinn S, Sterne JAC, Burney PGJ, Donner A, BMJ 1999 319 376 379 10.1136/bmj.319.7206.376 10435968
2. Cluster randomisation trials in epidemiology: theory and application. Donner A, Klar N, J Stat Plan Interference 1994 42 37 56 10.1016/0378-3758(94) 90188-0
3. Sample size requirements for strafied cluster randomisation designs. Donner A, Stat Med 1992 11 6 743 750 10.1002/sim.4780110605 1594813
4. Randomization by cluster sample size requirements and analysis. Donner A, Birkett N, Buck C, Am J Epidemiol 1981 114 906 914 7315838
5. Research on reducing hospitalizations in patients with chronic heart failure. Mcghee G, Murphy E, Home Healthc Nurse 2010 28 335 340 10.1097/NHH.0b013e3181df5e30
6. Hospitalization of patients with heart failure. A population-based study. Cowie MR, Fox KF, Wood DA, Metcalfe C, Thompson SG, Coats AJ, Poole-Wilson PA, Sutton GC, Eur Hearth J 2002 11 877 885
7. A report from the American heart association statistics committee and stroke statistics. American Heart Association. Heart Disease and Stroke Statistics: 2010 Update, doi:10.1161/CIRCULATIONAHA.109.192667 Published online ahead of print 17 December 2009
8. Projections of the cost of cancer care in the United States 2010-2020. Mariotto AB, Yabroff KR, Shao Y, Feuer EJ, Brow ML, J Nat Cancer Inst 2011 103 117 128 10.1093/jnci/djq495 21228314
9. The impact of care pathways on the organization of care processes. Vanhaecht K, Acco, Leuven 2007 157
10. Integrated care pathways. Campbell H, Hotchkiss R, Bradshaw N, Porteous M, BMJ 1998 316 133 137 10.1136/bmj.316.7125.133 9462322
11. Reducing clinical variations with clinical pathways: do pathways work ? Panella M, Marchisio S, Di Stanislao F, Int J Qual Health Care 2003 15 509 521 10.1093/intqhc/mzg057 14660534
12. Lessons learned from a multidisciplinary heart failure clinic for older women: a randomised controlled trial. Azad N, Molnar F, Byszewski A, Age Ageing 2008 37 282 287 10.1093/ageing/afn013 18285347
13. Reduced in-hospital mortality for heart failure with clinical pathways: the results of a cluster randomised controlled trial. Panella M, Marchisio S, Demarchi ML, Manzoli L, Stanislao FD, Qual Saf Health Care 2009 18 369 373 10.1136/qshc.2008.026559 19812099
14. A Community hospital-based congestive hearth failure program: Impact on length of stay, admission and readmission rates and cost. Rauh RA, Schwabauer RN, Enger EL, Moran JF, Am J Manag Care 1999 5 37 43 10345965
15. The results of a randomized trial of quality improvement intervention in the care of patients with heart failure. Philbin E, Thomas AR, Lindenmuth NW, Ulrich K, McCall M, Jenkins PL, AM J Med 2000 109 443 449 10.1016/S0002-9343(00) 00544-1 11042232
16. Is there still need for confusion about pathways? Panella M, Vanhaecht K, Int J Care Pathways 2010 14 1 3 10.1258/jicp.2010.010008
17. School level intraclass correlation for physical activity in adolescent girls. Murray DM, Catellier DJ, Hannan PJ, Treuth MS, Stevens J, Schmitz KH, Rice JC, Conway TR, Med Sci Sports Exerc 2004 36 876 882 15126724
18. Parameters to aid in the design and analysis of community trials: intraclass correlation from the Minesota heart health program. Hannan PJ, Murray DM, Jacobs DR, McGovern PG, Epidemiology 1994 5 88 95 10.1097/00001648- 199401000-00013 8117787
19. Randomizing patients by family practice: sample size estimation, intracluster correlation and data analysis. Cosby R, Howard M, Kaczorowski J, Willian AR, Sellors JW, Fam Pract 2003 20 77 82 10.1093/fampra/20.1.77 12509376
20. Patterns of intra-cluster correlation from primary care research to inform study design and analysis. Adams G, Gulliford MC, Ukoumunne OC, Eldridge S, Chinn S, Camphell MJ, J Clin Epidemiol 2004 57 785 794 10.1016/j.jclinepi. 2003.12.013 15485730
21. Intraclass correlation coefficient from three cluster randomised controlled trials in primary and residential health care. Elley CR, Kerse N, Chondros P, Robinson E, Aust N Z J Public Health 2005 29 461 467 10.1111/j.1467-842X.2005.tb00227.x 16255449
22. Intraclass correlation coefficients for cluster randomized trials in primary care: the cholesterol education and research trial [CEART]. Parker DR, Evangelou E, Eaton CB, Contemp Clin Trials 2005 26 260 267 10.1016/j.cct.2005. 01.002 15837446
23. A cluster randomized controlled trial of a clinical pathway for hospital treatment of heart failure: study design and population. Panella M, Marchisio S, Gardini A, Di Stanislao F, BMC Health Serv Res 2007 7 179 185 10.1186/1472-6963-7-179 17986361
24. Donner A, Klar N, Design and analysis of cluster randomization trials in health research London: Arnold 2000
25. On the estimation of intraclass correlation. Smith CAB, Ann Hum Genet 1956 21 363 373
26. Partitioning variation in multilevel models. Golstein H, Browne H, Rasbash J, Underst Stat 2002 1 4 223 231 10.1207/S15328031US0104-02
27. A comparison of confidence interval methods for the intraclass correlation coefficient in cluster randomized trials. Ukoumunne OC, Stat Med 2002 21 3757 3774 10.1002/sim.1330 12483765
28. Statistics notes: the intracluster correlation coefficient in cluster randomisation. Kerryand SM, Bland JM, BMJ 1998 316 1455 1460 9572764
29. Methods for evaluating area-wide and organisation-based interventions in health and health care: a systematic review. Ukoumunne OC, Gulliford MC, Chinn S, Sterne JAC, Burney PGJ, Health Technol Assess 1999 3 5 ii 92
30. Methods to reduce the impact of intraclass correlation in group-randomized trials. Murray DM, Bliststein JL, Eval Rev 2003 27 79 103 10.1177/0193841X02239019 12568061
31. What is an intraclass correlation coefficient? Crucial concepts for primary care researchers. Killip S, Mahfounf Z, Pearche K, Ann Fam Med 2004 2 204 208 10.1370/afm.141 15209195
32. Components of variance and intraclass correlations for the design of community-based surveys and intervention studies: data from the health survey for England 1994. Gulliford MC, Ukoumunne OC, Chinn S, Am J Epidemiol 1999 149 876 883 10.1093/oxfordjournals.aje.a009904 10221325
33. Intraclass correlation coefficients for cluster randomized trials in primary care: data from MRC trial of the assessment and management of older people in community. Smeeth L, Ng S, Control Clin trials 2002 23 409 421 10.1016/S0197-2456(02)00208-8 12161083
34. Intraclass correlation among common measures of adolescent smoking. Murray DM, Rooney BL, Hannan PJ, Peterson AV, Ary DV, Biglan A, Botvin GJ, Evans RI, Flay BR, Futterman R, et al. Am J Epidemiol 1992 140 1038 1050
35. Heart Failure Optimal Outcomes from Pharmacy Study (HOOPS) Investigators. Pharmacist intervention in primary care to improve outcomes in patients with left ventricular systolic dysfunction. Lowrie R, Mair FS, Greenlaw N, Forsyth P, Jhund PS, McConnachie A, Rae B, McMurray JJ, Eur Heart J 2012 33 3 314 324 10.1093/eurheartj/ehr433 22083873
36. The Heart failure and Optimal Outcomes from Pharmacy Study (HOOPS): rationale, design, and baseline characteristics. Lowrie R, Mair FS, Greenlaw N, Forsyth P, McConnachie A, Richardson J, Khan N, Morrison D, Messow CM, Rae B, McMurray JJ, Eur J Heart Fail 2011 13 8 917 924 10.1093/eurjhf/hfr083 21791543
37. Intracluster correlation coefficients in cluster randomized trials: empirical insights into how should they be reported. Campbell MK, Grimshaw JM, Elbourne DR, BMC Med Res Methodol 2004 28 4 9
38. Sample size calculations for cluster randomised trials. Changing professional practice in Europe group [EU BIOMED II concerted action]. Campbell M, Grimshaw J, Steen N, J Health Serv Res Policy 2000 5 1 12 16 10787581
39. West BT, Welch KB, Galecki AT, Linear mixed models: a practical guide using statistical software Chapman & Hall: Boca Raton 2007
40. Adjusted intraclass correlation coefficients for binary data: methods and estimates from a cluster-randomized trial in primary care. Yelland LN, Salter AB, Ryan P, Laurence CO, Clin Trials 2011 8 48 58 10.1177/1740774510392256 21335589
41. Confidence interval estimation of the intraclass correlation coefficient for binary data outcome data. Zou G, Donner A, Biometrics 2004 60 807 811 10.1111/j.0006-341X.2004.00232.x 15339305
42. Design consideration in the estimation of the intraclass correlation. Donner A, Koval J, Ann Hum Genet 1982 46 271 277 10.1111/j.1469-1809.1982. tb00718.x 7125598
43. Bayesian methods of analysis for cluster randomized trials with binary outcome data. Turner RM, Omar RZ, Thompson SG, Stat Med 2001 20 453 472 10.1002/1097-0258(20010215)20:3<453::AID-SIM803>3.0.CO;2-L 11180313
44. Sample size calculator for cluster randomised trials. Campbell MK, Thomson S, Ramsay CR, MacLennan GS, Grimshaw JM, Comput Biol Med 2004 34 2 113 125 10.1016/S0010-4825(03)00039-8 14972631
45. Sample size for cluster randomized trials: effect of coefficient of variation of cluster size and analysis method. Eldridge S, Kerry S, Ashby D, Am J Epidemiol 2006 35 1292 1300
46. Sample size calculations for cluster randomised controlled trials with a fixed number of clusters. Hemming K, Girling AJ, Sitch AJ, Marsh J, Lilford RJ, BMC Med Res Methodol 2011 30 11 102 106
47. Sample size estimation in cluster randomized trials: an evidence-based perspective. Rotondi M, Donner A, Comput Stat Data Anal 2012 56 5 1174 1187 10.1016/j.csda.2010.12.010
48. CRT size: sample size estimation for cluster randomized trials. Rotondi M, 2012 http://cran.r-project.org/web/packages/CRTSize/CRTSize.pdf