메뉴 건너뛰기




Volumn 67, Issue 9, 2014, Pages 984-992

Bias and small-study effects influence treatment effect estimates: A meta-epidemiological study in oral medicine

Author keywords

Dentistry; Effect size; Meta analysis; Meta epidemiologic study; systematic error; Systematic review

Indexed keywords

CONFIDENCE INTERVAL; DENTISTRY; EFFECT SIZE; HUMAN; LANGUAGE; MEDLINE; META ANALYSIS (TOPIC); PRIORITY JOURNAL; RANDOMIZED CONTROLLED TRIAL (TOPIC); REVIEW; STOMATOLOGY; STUDY DESIGN; SYSTEMATIC REVIEW;

EID: 84905053615     PISSN: 08954356     EISSN: 18785921     Source Type: Journal    
DOI: 10.1016/j.jclinepi.2014.04.002     Document Type: Review
Times cited : (37)

References (51)
  • 1
    • 0037267068 scopus 로고    scopus 로고
    • How important are comprehensive literature searches and the assessment of trial quality in systematic reviews? Empirical study
    • M. Egger, P. Juni, C. Bartlett, F. Holenstein, and J. Sterne How important are comprehensive literature searches and the assessment of trial quality in systematic reviews? empirical study Health Technol Assess 7 2003 1 76
    • (2003) Health Technol Assess , vol.7 , pp. 1-76
    • Egger, M.1    Juni, P.2    Bartlett, C.3    Holenstein, F.4    Sterne, J.5
  • 2
    • 0036211765 scopus 로고    scopus 로고
    • Direction and impact of language bias in meta-analyses of controlled trials: Empirical study
    • P. Jüni, F. Holenstein, J. Sterne, C. Bartlett, and M. Egger Direction and impact of language bias in meta-analyses of controlled trials: empirical study Int J Epidemiol 31 2002 115 123
    • (2002) Int J Epidemiol , vol.31 , pp. 115-123
    • Jüni, P.1    Holenstein, F.2    Sterne, J.3    Bartlett, C.4    Egger, M.5
  • 3
    • 0033834484 scopus 로고    scopus 로고
    • What contributions do languages other than English make on the results of meta-analyses?
    • D. Moher, B. Pham, T.P. Klassen, K.F. Schulz, J.A. Berlin, and A.R. Jadad et al. What contributions do languages other than English make on the results of meta-analyses? J Clin Epidemiol 53 2000 964 972
    • (2000) J Clin Epidemiol , vol.53 , pp. 964-972
    • Moher, D.1    Pham, B.2    Klassen, T.P.3    Schulz, K.F.4    Berlin, J.A.5    Jadad, A.R.6
  • 4
    • 79957995000 scopus 로고    scopus 로고
    • Meta-analyses of adverse effects data derived from randomised controlled trials as compared to observational studies: Methodological overview
    • S. Golder, Y.K. Loke, and M. Bland Meta-analyses of adverse effects data derived from randomised controlled trials as compared to observational studies: methodological overview PLoS Med 8 2011 e1001026
    • (2011) PLoS Med , vol.8 , pp. 1001026
    • Golder, S.1    Loke, Y.K.2    Bland, M.3
  • 5
    • 82755165006 scopus 로고    scopus 로고
    • Prognostic effect size of cardiovascular biomarkers in datasets from observational studies versus randomised trials: Meta-epidemiology study
    • I. Tzoulaki, K.C. Siontis, and J.P. Ioannidis Prognostic effect size of cardiovascular biomarkers in datasets from observational studies versus randomised trials: meta-epidemiology study BMJ 343 2011 d6829
    • (2011) BMJ , vol.343 , pp. 6829
    • Tzoulaki, I.1    Siontis, K.C.2    Ioannidis, J.P.3
  • 6
    • 84866641767 scopus 로고    scopus 로고
    • Influence of reported study design characteristics on intervention effect estimates from randomised controlled trials: Combined analysis of meta-epidemiological studies
    • J. Savović, H. Jones, D. Altman, R. Harris, P. Juni, and J. Pildal et al. Influence of reported study design characteristics on intervention effect estimates from randomised controlled trials: combined analysis of meta-epidemiological studies Health Technol Assess 16 2012 1 82
    • (2012) Health Technol Assess , vol.16 , pp. 1-82
    • Savović, J.1    Jones, H.2    Altman, D.3    Harris, R.4    Juni, P.5    Pildal, J.6
  • 7
    • 84884772673 scopus 로고    scopus 로고
    • Effects of study precision and risk of bias in networks of interventions: A network meta-epidemiological study
    • A. Chaimani, H.S. Vasiliadis, N. Pandis, C.H. Schmid, N.J. Welton, and G. Salanti Effects of study precision and risk of bias in networks of interventions: a network meta-epidemiological study Int J Epidemiol 42 2013 1120 1131
    • (2013) Int J Epidemiol , vol.42 , pp. 1120-1131
    • Chaimani, A.1    Vasiliadis, H.S.2    Pandis, N.3    Schmid, C.H.4    Welton, N.J.5    Salanti, G.6
  • 8
    • 84878273170 scopus 로고    scopus 로고
    • Influence of trial sample size on treatment effect estimates: Meta-epidemiological study
    • A. Dechartres, L. Trinquart, I. Boutron, and P. Ravaud Influence of trial sample size on treatment effect estimates: meta-epidemiological study BMJ 346 2013 f2304
    • (2013) BMJ , vol.346 , pp. 2304
    • Dechartres, A.1    Trinquart, L.2    Boutron, I.3    Ravaud, P.4
  • 9
    • 84878276436 scopus 로고    scopus 로고
    • Small study effects in meta-analyses of osteoarthritis trials: Meta-epidemiological study
    • E. Nüesch, S. Trelle, S. Reichenbach, A.W. Rutjes, B. Tschannen, and D.G. Altman et al. Small study effects in meta-analyses of osteoarthritis trials: meta-epidemiological study BMJ 341 2010 c3515
    • (2010) BMJ , vol.341 , pp. 3515
    • Nüesch, E.1    Trelle, S.2    Reichenbach, S.3    Rutjes, A.W.4    Tschannen, B.5    Altman, D.G.6
  • 10
    • 84872018928 scopus 로고    scopus 로고
    • Small studies may overestimate the effect sizes in critical care meta-analyses: A meta-epidemiological study
    • Z. Zhang, X. Xu, and H. Ni Small studies may overestimate the effect sizes in critical care meta-analyses: a meta-epidemiological study Crit Care 17 2013 R2
    • (2013) Crit Care , vol.17 , pp. 2
    • Zhang, Z.1    Xu, X.2    Ni, H.3
  • 11
    • 20144388267 scopus 로고    scopus 로고
    • Outcomes, what outcomes?
    • D. Richards Outcomes, what outcomes? Evid Based Dent 6 2005 1
    • (2005) Evid Based Dent , vol.6 , pp. 1
    • Richards, D.1
  • 12
    • 77955560550 scopus 로고    scopus 로고
    • An assessment of quality characteristics of randomised control trials published in dental journals
    • N. Pandis, A. Polychronopoulou, and T. Eliades An assessment of quality characteristics of randomised control trials published in dental journals J Dent 38 2010 713 721
    • (2010) J Dent , vol.38 , pp. 713-721
    • Pandis, N.1    Polychronopoulou, A.2    Eliades, T.3
  • 14
    • 84893036731 scopus 로고    scopus 로고
    • Reporting characteristics of meta-analyses in orthodontics: Methodological assessment and statistical recommendations
    • S.N. Papageorgiou, M.A. Papadopoulos, and A.E. Athanasiou Reporting characteristics of meta-analyses in orthodontics: methodological assessment and statistical recommendations Eur J Orthod 36 2014 74 85
    • (2014) Eur J Orthod , vol.36 , pp. 74-85
    • Papageorgiou, S.N.1    Papadopoulos, M.A.2    Athanasiou, A.E.3
  • 15
    • 0018346971 scopus 로고
    • Allocation of patients to treatment in clinical trials
    • S. Pocock Allocation of patients to treatment in clinical trials Biometrics 35 1979 183 197
    • (1979) Biometrics , vol.35 , pp. 183-197
    • Pocock, S.1
  • 16
    • 0031764879 scopus 로고    scopus 로고
    • Can unequal be more fair? Ethics, subject allocation, and randomised clinical trials
    • A.L. Avins Can unequal be more fair? Ethics, subject allocation, and randomised clinical trials J Med Ethics 24 1998 401 408
    • (1998) J Med Ethics , vol.24 , pp. 401-408
    • Avins, A.L.1
  • 18
    • 0030983067 scopus 로고    scopus 로고
    • Unequal randomisation can improve the economic efficiency of clinical trials
    • D. Torgerson, and M. Campbell Unequal randomisation can improve the economic efficiency of clinical trials J Health Serv Res Policy 2 1997 81 85
    • (1997) J Health Serv Res Policy , vol.2 , pp. 81-85
    • Torgerson, D.1    Campbell, M.2
  • 19
    • 0017863448 scopus 로고
    • World Health Organization studies of prostaglandins versus saline as abortifacients: A reappraisal
    • W. Cates Jr., D.A. Grimes, K.F. Schulz, H.W. Ory, and C.W. Tyler Jr. World Health Organization studies of prostaglandins versus saline as abortifacients: a reappraisal Obstet Gynecol 52 1978 493 498
    • (1978) Obstet Gynecol , vol.52 , pp. 493-498
    • Cates, Jr.W.1    Grimes, D.A.2    Schulz, K.F.3    Ory, H.W.4    Tyler, Jr.C.W.5
  • 20
    • 84990422079 scopus 로고
    • Electronic monitoring: Who needs a trojan horse?
    • M.J.N.C. Keirse Electronic monitoring: who needs a trojan horse? Birth 21 1994 111 113
    • (1994) Birth , vol.21 , pp. 111-113
    • Keirse, M.J.N.C.1
  • 21
    • 0037117110 scopus 로고    scopus 로고
    • Unequal group sizes in randomised trials: Guarding against guessing
    • K.F. Schulz, and D.A. Grimes Unequal group sizes in randomised trials: guarding against guessing Lancet 359 2002 966 970
    • (2002) Lancet , vol.359 , pp. 966-970
    • Schulz, K.F.1    Grimes, D.A.2
  • 23
    • 84872011968 scopus 로고    scopus 로고
    • The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: Explanation and elaboration
    • A. Liberati, D.G. Altman, J. Tetzlaff, C. Mulrow, P.C. Gøtzsche, and J.P. Ioannidis et al. The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration J Clin Epidemiol 62 2009 e1 34
    • (2009) J Clin Epidemiol , vol.62 , pp. 1-34
    • Liberati, A.1    Altman, D.G.2    Tetzlaff, J.3    Mulrow, C.4    Gøtzsche, P.C.5    Ioannidis, J.P.6
  • 24
    • 0036208149 scopus 로고    scopus 로고
    • Searching for trials for systematic reviews: What difference does it make?
    • M. Clarke Searching for trials for systematic reviews: what difference does it make? Int J Epidemiol 31 2002 123 124
    • (2002) Int J Epidemiol , vol.31 , pp. 123-124
    • Clarke, M.1
  • 25
    • 0037098203 scopus 로고    scopus 로고
    • Statistical methods for assessing the influence of study characteristics on treatment effects in 'meta-epidemiological' research
    • J.A. Sterne, P. Juni, K.F. Schulz, D.G. Altman, C. Bartlett, and M. Egger Statistical methods for assessing the influence of study characteristics on treatment effects in 'meta-epidemiological' research Stat Med 21 2002 1513 1524
    • (2002) Stat Med , vol.21 , pp. 1513-1524
    • Sterne, J.A.1    Juni, P.2    Schulz, K.F.3    Altman, D.G.4    Bartlett, C.5    Egger, M.6
  • 26
    • 41049093347 scopus 로고
    • The combination of estimates from different experiments
    • W.G. Cochran The combination of estimates from different experiments Biometrics 10 1954 101 129
    • (1954) Biometrics , vol.10 , pp. 101-129
    • Cochran, W.G.1
  • 27
    • 0026009636 scopus 로고
    • A general parametric approach to the meta-analysis of randomised clinical trials
    • A. Whitehead, and J. Whitehead A general parametric approach to the meta-analysis of randomised clinical trials Stat Med 10 1991 1665 1677
    • (1991) Stat Med , vol.10 , pp. 1665-1677
    • Whitehead, A.1    Whitehead, J.2
  • 29
    • 0037098199 scopus 로고    scopus 로고
    • Quantifying heterogeneity in a meta-analysis
    • J.P. Higgins, and S.G. Thompson Quantifying heterogeneity in a meta-analysis Stat Med 21 2002 1539 1558
    • (2002) Stat Med , vol.21 , pp. 1539-1558
    • Higgins, J.P.1    Thompson, S.G.2
  • 30
    • 35948951588 scopus 로고    scopus 로고
    • Uncertainty in heterogeneity estimates in meta-analyses
    • J.P. Ioannidis, N.A. Patsopoulos, and E. Evangelou Uncertainty in heterogeneity estimates in meta-analyses BMJ 335 2007 914 916
    • (2007) BMJ , vol.335 , pp. 914-916
    • Ioannidis, J.P.1    Patsopoulos, N.A.2    Evangelou, E.3
  • 32
    • 48249154815 scopus 로고    scopus 로고
    • Contour-enhanced meta-analysis funnel plots help distinguish publication bias from other causes of asymmetry
    • J.L. Peters, A.J. Sutton, D.R. Jones, K.R. Abrams, and L. Rushton Contour-enhanced meta-analysis funnel plots help distinguish publication bias from other causes of asymmetry J Clin Epidemiol 61 2008 991 996
    • (2008) J Clin Epidemiol , vol.61 , pp. 991-996
    • Peters, J.L.1    Sutton, A.J.2    Jones, D.R.3    Abrams, K.R.4    Rushton, L.5
  • 33
    • 0030922816 scopus 로고    scopus 로고
    • Bias in meta-analysis detected by a simple, graphical test
    • M. Egger, G. Davey Smith, M. Schneider, and C. Minder Bias in meta-analysis detected by a simple, graphical test BMJ 315 1997 629 634
    • (1997) BMJ , vol.315 , pp. 629-634
    • Egger, M.1    Davey Smith, G.2    Schneider, M.3    Minder, C.4
  • 34
    • 55349132400 scopus 로고    scopus 로고
    • Interpretation of tests of heterogeneity and bias in meta-analysis
    • J.P. Ioannidis Interpretation of tests of heterogeneity and bias in meta-analysis J Eval Clin Pract 14 2008 951 957
    • (2008) J Eval Clin Pract , vol.14 , pp. 951-957
    • Ioannidis, J.P.1
  • 35
    • 0036168613 scopus 로고    scopus 로고
    • A comparison of the quality of Cochrane reviews and systematic reviews published in paper-based journals
    • B. Shea, D. Moher, I. Graham, B. Pham, and P. Tugwell A comparison of the quality of Cochrane reviews and systematic reviews published in paper-based journals Eval Health Prof 25 2002 116 129
    • (2002) Eval Health Prof , vol.25 , pp. 116-129
    • Shea, B.1    Moher, D.2    Graham, I.3    Pham, B.4    Tugwell, P.5
  • 36
    • 21044459830 scopus 로고    scopus 로고
    • Assessment of methodological quality of primary studies by systematic reviews: Results of the metaquality cross sectional study
    • L.P. Moja, E. Telaro, R. D'Amico, I. Moschetti, L. Coe, and A. Liberati Assessment of methodological quality of primary studies by systematic reviews: results of the metaquality cross sectional study BMJ 330 2005 1053
    • (2005) BMJ , vol.330 , pp. 1053
    • Moja, L.P.1    Telaro, E.2    D'Amico, R.3    Moschetti, I.4    Coe, L.5    Liberati, A.6
  • 37
    • 49749113979 scopus 로고    scopus 로고
    • The effect of bias on the magnitude of clinical outcomes in periodontology: A pilot study
    • J. Fenwick, I.G. Needleman, and D.R. Moles The effect of bias on the magnitude of clinical outcomes in periodontology: a pilot study J Clin Periodontol 35 2008 775 782
    • (2008) J Clin Periodontol , vol.35 , pp. 775-782
    • Fenwick, J.1    Needleman, I.G.2    Moles, D.R.3
  • 38
    • 0035822324 scopus 로고    scopus 로고
    • Systematic reviews in health care: Assessing the quality of controlled clinical trials
    • P. Juni, D.G. Altman, and M. Egger Systematic reviews in health care: assessing the quality of controlled clinical trials BMJ 323 2001 42 46
    • (2001) BMJ , vol.323 , pp. 42-46
    • Juni, P.1    Altman, D.G.2    Egger, M.3
  • 39
    • 84875136815 scopus 로고    scopus 로고
    • Comparative effect sizes in randomised trials from less developed and more developed countries: Meta-epidemiological assessment
    • O.A. Panagiotou, D.G. Contopoulos-Ioannidis, and J.P. Ioannidis Comparative effect sizes in randomised trials from less developed and more developed countries: meta-epidemiological assessment BMJ 346 2013 f707
    • (2013) BMJ , vol.346 , pp. 707
    • Panagiotou, O.A.1    Contopoulos-Ioannidis, D.G.2    Ioannidis, J.P.3
  • 40
    • 0025100849 scopus 로고
    • The existence of publication bias and risk factors for its occurrence
    • K. Dickersin The existence of publication bias and risk factors for its occurrence JAMA 263 1990 1385 1389
    • (1990) JAMA , vol.263 , pp. 1385-1389
    • Dickersin, K.1
  • 42
    • 0036885740 scopus 로고    scopus 로고
    • Nearly half of dental randomized controlled trials published in German are not included in Medline
    • J.C. Türp, J.M. Schulte, and G. Antes Nearly half of dental randomized controlled trials published in German are not included in Medline Eur J Oral Sci 110 2002 405 411
    • (2002) Eur J Oral Sci , vol.110 , pp. 405-411
    • Türp, J.C.1    Schulte, J.M.2    Antes, G.3
  • 43
    • 0034702233 scopus 로고    scopus 로고
    • A comparison of observational studies and randomized, controlled trials
    • K. Benson, and A. Hartz A comparison of observational studies and randomized, controlled trials N Engl J Med 342 2000 1878 1886
    • (2000) N Engl J Med , vol.342 , pp. 1878-1886
    • Benson, K.1    Hartz, A.2
  • 44
    • 0034702175 scopus 로고    scopus 로고
    • Randomized, controlled trials, observational studies, and the hierarchy of research designs
    • J. Concato, N. Shah, and R.I. Horwitz Randomized, controlled trials, observational studies, and the hierarchy of research designs N Engl J Med 342 2000 1887 1892
    • (2000) N Engl J Med , vol.342 , pp. 1887-1892
    • Concato, J.1    Shah, N.2    Horwitz, R.I.3
  • 46
    • 0035880296 scopus 로고    scopus 로고
    • Comparison of evidence of treatment effects in randomized and nonrandomized studies
    • J.P.A. Ioannidis, A. Haidich, M. Pappa, N. Pantazis, S.I. Kokori, and M.G. Tektonidou et al. Comparison of evidence of treatment effects in randomized and nonrandomized studies JAMA 286 2001 821 830
    • (2001) JAMA , vol.286 , pp. 821-830
    • Ioannidis, J.P.A.1    Haidich, A.2    Pappa, M.3    Pantazis, N.4    Kokori, S.I.5    Tektonidou, M.G.6
  • 47
    • 33644752689 scopus 로고    scopus 로고
    • Comparison of evidence on harms of medical interventions in randomized and nonrandomized studies
    • P.N. Papanikolaou, G.D. Christidi, and J.P. Ioannidis Comparison of evidence on harms of medical interventions in randomized and nonrandomized studies CMAJ 174 2006 635 641
    • (2006) CMAJ , vol.174 , pp. 635-641
    • Papanikolaou, P.N.1    Christidi, G.D.2    Ioannidis, J.P.3
  • 48
    • 79961238388 scopus 로고    scopus 로고
    • Recommendations for examining and interpreting funnel plot asymmetry in meta-analyses of randomised controlled trials
    • J.A. Sterne, A.J. Sutton, J.P. Ioannidis, N. Terrin, D.R. Jones, and J. Lau et al. Recommendations for examining and interpreting funnel plot asymmetry in meta-analyses of randomised controlled trials BMJ 343 2011 d4002
    • (2011) BMJ , vol.343 , pp. 4002
    • Sterne, J.A.1    Sutton, A.J.2    Ioannidis, J.P.3    Terrin, N.4    Jones, D.R.5    Lau, J.6
  • 49
    • 77949680683 scopus 로고    scopus 로고
    • The impact of outcome reporting bias in randomised controlled trials on a cohort of systematic reviews
    • J.J. Kirkham, K.M. Dwan, D.G. Altman, C. Gamble, S. Dodd, and R. Smyth et al. The impact of outcome reporting bias in randomised controlled trials on a cohort of systematic reviews BMJ 340 2010 c365
    • (2010) BMJ , vol.340 , pp. 365
    • Kirkham, J.J.1    Dwan, K.M.2    Altman, D.G.3    Gamble, C.4    Dodd, S.5    Smyth, R.6
  • 50
    • 0035808035 scopus 로고    scopus 로고
    • Reported methodologic quality and discrepancies between large and small randomized trials in meta-analyses
    • L.L. Kjaergard, J. Villumsen, and C. Gluud Reported methodologic quality and discrepancies between large and small randomized trials in meta-analyses Ann Intern Med 135 2001 982 989
    • (2001) Ann Intern Med , vol.135 , pp. 982-989
    • Kjaergard, L.L.1    Villumsen, J.2    Gluud, C.3
  • 51
    • 0025073486 scopus 로고
    • Selection of patients for randomized controlled trials: Implications of wide or narrow eligibility criteria
    • S. Yusuf, P. Held, K.K. Teo, and E.R. Toretsky Selection of patients for randomized controlled trials: implications of wide or narrow eligibility criteria Stat Med 9 1990 73 83
    • (1990) Stat Med , vol.9 , pp. 73-83
    • Yusuf, S.1    Held, P.2    Teo, K.K.3    Toretsky, E.R.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.