-
1
-
-
38849162727
-
In the era of systematic reviews, does the size of an individual trial still matter?
-
doi:10.1371/jounal.pmed.0050004. 10.1371/journal.pmed.0050004. 18177203
-
In the era of systematic reviews, does the size of an individual trial still matter? GH Guyatt EJ Mills D Elbourne, PLoS Medicine 2008 5 1 4 doi:10.1371/jounal.pmed.0050004. 10.1371/journal.pmed.0050004 18177203
-
(2008)
PLoS Medicine
, vol.5
, Issue.1
, pp. 54
-
-
Guyatt, G.H.1
Mills, E.J.2
Elbourne, D.3
-
2
-
-
0030703712
-
Cumulating evidence from randomized trials: Utilizing sequential monitoring boundaries for cumulative meta-analysis
-
10.1016/S0197-2456(97)00051-2. 9408720
-
Cumulating evidence from randomized trials: utilizing sequential monitoring boundaries for cumulative meta-analysis. J Pogue S Yusuf, Controlled Clinical Trials 1997 18 580 93 10.1016/S0197-2456(97)00051-2 9408720
-
(1997)
Controlled Clinical Trials
, vol.18
, pp. 580-93
-
-
Pogue, J.1
Yusuf, S.2
-
3
-
-
0032477501
-
Overcoming the limitations of current meta-analysis of randomised controlled trials
-
10.1016/S0140-6736(97)08461-4. 9433436
-
Overcoming the limitations of current meta-analysis of randomised controlled trials. J Pogue S Yusuf, Lancet 1998 351 9095 47 52 10.1016/S0140-6736(97)08461-4 9433436
-
(1998)
Lancet
, vol.351
, Issue.9095
, pp. 47-52
-
-
Pogue, J.1
Yusuf, S.2
-
4
-
-
23444449308
-
How strong is the evidence for the use of perioperative beta-blockers in non-cardiac surgery? Systematic review and meta-analysis of randomised controlled trials
-
10.1136/bmj.38503.623646.8F. 15996966
-
How strong is the evidence for the use of perioperative beta-blockers in non-cardiac surgery? Systematic review and meta-analysis of randomised controlled trials. PJ Devereaux WS Beattie PT Choi NH Badner GH Guyatt JC Villar, BMJ 2005 331 7512 313 21 10.1136/bmj.38503.623646.8F 15996966
-
(2005)
BMJ
, vol.331
, Issue.7512
, pp. 313-21
-
-
Devereaux, P.J.1
Beattie, W.S.2
Choi, P.T.3
Badner, N.H.4
Guyatt, G.H.5
Villar, J.C.6
-
5
-
-
37049035730
-
Trial sequential analysis may establish when firm evidence is reached in a meta-analysis
-
10.1016/j.jclinepi.2007.03.013. 18083463
-
Trial sequential analysis may establish when firm evidence is reached in a meta-analysis. J Wetterslev K Thorlund J Brok C Gluud, Journal of Clinical Epidemiology 2008 61 1 64 75 10.1016/j.jclinepi.2007.03.013 18083463
-
(2008)
Journal of Clinical Epidemiology
, vol.61
, Issue.1
, pp. 64-75
-
-
Wetterslev, J.1
Thorlund, K.2
Brok, J.3
Gluud, C.4
-
6
-
-
45949100256
-
Trial sequential analysis reveals insufficient information size and potentially false positive results in many meta-analyses
-
10.1016/j.jclinepi.2007.10.007. 18411040
-
Trial sequential analysis reveals insufficient information size and potentially false positive results in many meta-analyses. J Brok K Thorlund C Gluud J Wetterslev, Journal of Clinical Epidemiology 2008 61 8 763 9 10.1016/j.jclinepi.2007.10.007 18411040
-
(2008)
Journal of Clinical Epidemiology
, vol.61
, Issue.8
, pp. 763-9
-
-
Brok, J.1
Thorlund, K.2
Gluud, C.3
Wetterslev, J.4
-
8
-
-
60149098740
-
Apparently conclusive meta-analyses may be inconclusive-Trial sequential analysis adjustment of random error risk due to repetitive testing of accumulating data in apparently conclusive neonatal meta-analyses
-
Doi:10.1093/iej/dyn188. 18824466
-
Apparently conclusive meta-analyses may be inconclusive-Trial sequential analysis adjustment of random error risk due to repetitive testing of accumulating data in apparently conclusive neonatal meta-analyses. J Brok K Thorlund J Wetterslev C Gluud, International Journal of Epidemiology 2008 Doi:10.1093/iej/dyn188. 18824466
-
(2008)
International Journal of Epidemiology
-
-
Brok, J.1
Thorlund, K.2
Wetterslev, J.3
Gluud, C.4
-
9
-
-
3342991496
-
Meta-analysis, Simpson's paradox, and the number needed to treat
-
10.1186/1471-2288-2-3. 11860606
-
Meta-analysis, Simpson's paradox, and the number needed to treat. DG Altman JJ Deeks, BMC Medical Research Methodology 2002 2 3 10.1186/1471-2288-2-3 11860606
-
(2002)
BMC Medical Research Methodology
, vol.2
, pp. 3
-
-
Altman, D.G.1
Deeks, J.J.2
-
10
-
-
0037098199
-
Quantifying heterogeneity in a meta-analysis
-
10.1002/sim.1186. 12111919
-
Quantifying heterogeneity in a meta-analysis. JP Higgins SG Thompson, Statistics in Medicine 2002 21 1539 1558 10.1002/sim.1186 12111919
-
(2002)
Statistics in Medicine
, vol.21
, pp. 1539-1558
-
-
Higgins, J.P.1
Thompson, S.G.2
-
12
-
-
37049016959
-
-
CRC, Taylor & Francis Group Shein-Chung Chow
-
S-C Chow J Shao H Wang, Sample Size Calculation in Clinical Research CRC, Taylor & Francis Group, Shein-Chung Chow, 2003 Chapter 8.8.1 204 206
-
(2003)
Sample Size Calculation in Clinical Research
, vol.881
, pp. 204-206
-
-
Chow, S.-C.1
Shao, J.2
Wang, H.3
-
13
-
-
0003411868
-
-
Schaum's outline series, McGraw-Hill Book Company
-
MR Spiegel, Mathematical Handbook of Formulas and Tables Schaum's outline series, McGraw-Hill Book Company 1971 http://en.wikipedia.org/wiki/Chebyshev%27s-sum-inequality
-
(1971)
Mathematical Handbook of Formulas and Tables
-
-
Spiegel, M.R.1
-
14
-
-
0344223296
-
Evaluation of old and new tests of heterogeneity in epidemiologic meta-analysis
-
10412966
-
Evaluation of old and new tests of heterogeneity in epidemiologic meta-analysis. B Takouche C Cadarso-Suaréz D Spiegelman, American Journal of Epidemiology 1999 150 206 215 10412966
-
(1999)
American Journal of Epidemiology
, vol.150
, pp. 206-215
-
-
Takouche, B.1
Cadarso-Suaréz, C.2
Spiegelman, D.3
-
15
-
-
0022992740
-
Meta-analysis in clinical trials
-
10.1016/0197-2456(86)90046-2. 3802833
-
Meta-analysis in clinical trials. R DerSimonian NM Laird, Controlled Clinical Trials 1986 7 177 188 10.1016/0197-2456(86)90046-2 3802833
-
(1986)
Controlled Clinical Trials
, vol.7
, pp. 177-188
-
-
Dersimonian, R.1
Laird, N.M.2
-
16
-
-
37749050913
-
Antithrombin III in critically ill patients. A systematic review with meta-analysis and trial sequential analysis
-
10.1136/bmj.39398.682500.25. 18037614
-
Antithrombin III in critically ill patients. A systematic review with meta-analysis and trial sequential analysis. A Afshari J Wetterslev J Brok AM Møller, BMJ 2007 335 7632 1219 20 10.1136/bmj.39398.682500.25 18037614
-
(2007)
BMJ
, vol.335
, Issue.7632
, pp. 1219-20
-
-
Afshari, A.1
Wetterslev, J.2
Brok, J.3
Møller, A.M.4
-
18
-
-
44949188498
-
Prophylactic natural surfactant extract for preventing morbidity and mortality in preterm infants
-
10.1002/14651858. C
-
Prophylactic natural surfactant extract for preventing morbidity and mortality in preterm infants. RF Soll, The Cochrane Database of Systematic Reviews 1997 4 D000511 10.1002/14651858. C
-
(1997)
The Cochrane Database of Systematic Reviews
, vol.4
-
-
Soll, R.F.1
-
19
-
-
33744546814
-
Benefits and harms of perioperative beta-blockade
-
DOI 10.1016/j.bpa.2005.10.006, PII S1521689605000790
-
Benefits and harms of perioperative beta-blockade. J Wetterslev AB Juul, Best Practice and Research of Clinical Anesthesiology 2006 20 285 302 10.1016/j.bpa.2005.10.006 (Pubitemid 43811939)
-
(2006)
Best Practice and Research: Clinical Anaesthesiology
, vol.20
, Issue.2
, pp. 285-302
-
-
Wetterslev, J.1
Juul, A.B.2
-
20
-
-
0035229911
-
Enteral antibiotics for preventing necrotizing enterocolitis in low birthweight or preterm infants
-
DOI: 10.1002/14651858.CD000405. 10796202
-
Enteral antibiotics for preventing necrotizing enterocolitis in low birthweight or preterm infants. RG Bury D Tudehope, The Cochrane Database of Systematic Reviews 2000 2 D000405 DOI: 10.1002/14651858.CD000405. 10796202
-
(2000)
The Cochrane Database of Systematic Reviews
, vol.2
-
-
Bury, R.G.1
Tudehope, D.2
-
22
-
-
57949108753
-
Perioperative oxygen fraction - Effect on surgical site infection and pulmonary complications after abdominal surgery: A randomized clinical trial. Rationale and design of the PROXI-Trial
-
Rasmussen the PROXI Trial Group 10.1186/1745-6215-9-58. 18945347
-
Perioperative oxygen fraction - effect on surgical site infection and pulmonary complications after abdominal surgery: a randomized clinical trial. Rationale and design of the PROXI-Trial. CS Meyhoff J Wetterslev LN Jorgensen SW Henneberg I Simonsen T Pulawska LR Walker N Skovgaard K Heltø P Gocht-Jensen PS Carlsson H Rask S Karim CG Carlsen FS Jensen LS Rasmussen the PROXI Trial Group, Trials 2008 9 1 58 10.1186/1745-6215-9-58 18945347
-
(2008)
Trials
, vol.9
, Issue.1
, pp. 58
-
-
Meyhoff, C.S.1
Wetterslev, J.2
Jorgensen, L.N.3
Henneberg, S.W.4
Simonsen, I.5
Pulawska, T.6
Walker, L.R.7
Skovgaard, N.8
Heltø, K.9
Gocht-Jensen, P.10
Carlsson, P.S.11
Rask, H.12
Karim, S.13
Carlsen, C.G.14
Jensen, F.S.15
-
23
-
-
33644931936
-
Bias in clinical intervention research
-
10.1093/aje/kwj069. 16443796
-
Bias in clinical intervention research. LL Gluud, American Journal of Epidemiology 2006 163 493 501 10.1093/aje/kwj069 16443796
-
(2006)
American Journal of Epidemiology
, vol.163
, pp. 493-501
-
-
Gluud, L.L.1
-
24
-
-
2442692780
-
Empirical evidence for selective reporting of outcomes in randomized trials: Comparison of protocols to published articles
-
DOI 10.1001/jama.291.20.2457
-
Empirical evidence for selective reporting of outcomes in randomized trials: comparison of protocols to published articles. AW Chan A Hrobjartsson MT Haahr PC Gøtzsche DG Altman, Journal of American Medical Association 2004 291 20 2457 2465 10.1001/jama.291.20.2457 (Pubitemid 38669189)
-
(2004)
Journal of the American Medical Association
, vol.291
, Issue.20
, pp. 2457-2465
-
-
Chan, A.-W.1
Hrobjartsson, A.2
Haahr, M.T.3
Gotzsche, P.C.4
Altman, D.G.5
-
25
-
-
17144387322
-
Identifying outcome reporting bias in randomised trials on PubMed: Review of publications and survey of authors
-
10.1136/bmj.38356.424606.8F. 15681569
-
Identifying outcome reporting bias in randomised trials on PubMed: review of publications and survey of authors. AW Chan DG Altman, BMJ 2005 330 7494 753 10.1136/bmj.38356.424606.8F 15681569
-
(2005)
BMJ
, vol.330
, Issue.7494
, pp. 753
-
-
Chan, A.W.1
Altman, D.G.2
-
26
-
-
40949113623
-
Empirical evidence of bias in treatment effect estimates in controlled trials with different interventions and outcomes: Meta-epidemiological study
-
10.1136/bmj.39465.451748.AD. 18316340
-
Empirical evidence of bias in treatment effect estimates in controlled trials with different interventions and outcomes: meta-epidemiological study. L Wood M Egger LL Gluud KF Schulz P Jüni DG Altman C Gluud RM Martin AJ Wood JA Sterne, BMJ 2008 336 7644 601 5 10.1136/bmj.39465.451748.AD 18316340
-
(2008)
BMJ
, vol.336
, Issue.7644
, pp. 601-5
-
-
Wood, L.1
Egger, M.2
Gluud, L.L.3
Schulz, K.F.4
Jüni, P.5
Altman, D.G.6
Gluud, C.7
Martin, R.M.8
Wood, A.J.9
Sterne, J.A.10
-
27
-
-
27644487803
-
Randomized trials stopped early for benefit: A systematic review
-
DOI 10.1001/jama.294.17.2203
-
Randomized trials stopped early for benefit: a systematic review. VM Montori PJ Devereaux NK Adhikari KE Burns CH Eggert M Briel G Guyatt, Journal of American Medical Association 2005 294 17 2203 2209 10.1001/jama.294.17.2203 (Pubitemid 41571138)
-
(2005)
Journal of the American Medical Association
, vol.294
, Issue.17
, pp. 2203-2209
-
-
Montori, V.M.1
Devereaux, P.J.2
Adhikari, N.K.J.3
Burns, K.E.A.4
Eggert, C.H.5
Briel, M.6
Lacchetti, C.7
Leung, T.W.8
Darling, E.9
Bryant, D.M.10
Bucher, H.C.11
Schunemann, H.J.12
Meade, M.O.13
Cook, D.J.14
Erwin, P.J.15
Sood, A.16
Sood, R.17
Lo, B.18
Thompson, C.A.19
Zhou, Q.20
Mills, E.21
Guyatt, G.H.22
more..
-
28
-
-
0030779685
-
Strengths and limitations of meta-analysis: Larger studies may be more reliable
-
10.1016/S0197-2456(97)00024-X. 9408719
-
Strengths and limitations of meta-analysis: larger studies may be more reliable. MD Flather ME Farkouh JM Pogue S Yusuf, Controlled Clinical Trials 1997 18 6 568 579 10.1016/S0197-2456(97)00024-X 9408719
-
(1997)
Controlled Clinical Trials
, vol.18
, Issue.6
, pp. 568-579
-
-
Flather, M.D.1
Farkouh, M.E.2
Pogue, J.M.3
Yusuf, S.4
-
29
-
-
20444428651
-
The design of multicentre trials
-
10.1191/0962280205sm399oa. 15969302
-
The design of multicentre trials. V Fedorov B Jones, Statistical Methods in Medical Research 2005 14 205 248 10.1191/0962280205sm399oa 15969302
-
(2005)
Statistical Methods in Medical Research
, vol.14
, pp. 205-248
-
-
Fedorov, V.1
Jones, B.2
-
30
-
-
57049145759
-
Perioperative beta blockers in patients having non-cardiac surgery: A meta-analysis
-
10.1016/S0140-6736(08)61560-3. 19012955
-
Perioperative beta blockers in patients having non-cardiac surgery: a meta-analysis. S Bangalore J Wetterslev S Pranesh S Sawhney C Gluud FH Messerli, Lancet 2008 372 9654 1962 76 10.1016/S0140-6736(08)61560-3 19012955
-
(2008)
Lancet
, vol.372
, Issue.9654
, pp. 1962-76
-
-
Bangalore, S.1
Wetterslev, J.2
Pranesh, S.3
Sawhney, S.4
Gluud, C.5
Messerli, F.H.6
-
32
-
-
34047237099
-
A comparison of heterogeneity variance estimators in combining results of studies
-
DOI 10.1002/sim.2688
-
A comparison of heterogeneity variance estimators in combining results of studies. K Sidik JN Jonkman, Statistics in Medicine 2007 30;26 9 1964 81 10.1002/sim.2688 (Pubitemid 46534087)
-
(2007)
Statistics in Medicine
, vol.26
, Issue.9
, pp. 1964-1981
-
-
Sidik, K.1
Jonkman, J.N.2
-
33
-
-
61649098674
-
2 in assessing heterogeneity may mislead
-
doi:10.1186/1471-2288-8-79. 10.1186/1471-2288-8-79. 19036172
-
2 in assessing heterogeneity may mislead. G Rücker Schwarzer JR Carpenter M Schumacher, BMC Medical Research Methodology 2008 8 79 doi:10.1186/1471-2288-8-79. 10.1186/1471-2288-8-79 19036172
-
(2008)
BMC Medical Research Methodology
, vol.8
, pp. 79
-
-
Rücker, G.S.1
Carpenter, J.R.2
Schumacher, M.3
-
34
-
-
53349129304
-
Commentary: Heterogeneity in meta-analysis should be expected and appropriately quantified
-
10.1093/ije/dyn204. 18832388
-
Commentary: Heterogeneity in meta-analysis should be expected and appropriately quantified. JP Higgins, International Journal of Epidemiology 2008 37 1158 1160 10.1093/ije/dyn204 18832388
-
(2008)
International Journal of Epidemiology
, vol.37
, pp. 1158-1160
-
-
Higgins, J.P.1
-
35
-
-
67649311427
-
Are large trials less reliable than small trials? Letter to the editor
-
10.1016/j.jclinepi.2009.03.007. 19481419
-
Are large trials less reliable than small trials? Letter to the editor. G Rücker G Schwarzer JR Carpenter M Schumacher, Journal of Clinical Epidemiology 2009 62 886 889 10.1016/j.jclinepi.2009.03.007 19481419
-
(2009)
Journal of Clinical Epidemiology
, vol.62
, pp. 886-889
-
-
Rücker, G.1
Schwarzer, G.2
Carpenter, J.R.3
Schumacher, M.4
-
36
-
-
33748547701
-
Extreme between-study homoge-neity in meta-analyses could offer useful insights
-
10.1016/j.jclinepi.2006.02.013. 16980141
-
Extreme between-study homoge-neity in meta-analyses could offer useful insights. JP Ioannidis TA Trikalinos E Zintzaras, Journal of Clinical Epidemiology 2006 59 10 1023 32 10.1016/j.jclinepi.2006.02.013 16980141
-
(2006)
Journal of Clinical Epidemiology
, vol.59
, Issue.10
, pp. 1023-32
-
-
Ioannidis, J.P.1
Trikalinos, T.A.2
Zintzaras, E.3
-
37
-
-
35948951588
-
Uncertainty in heterogeneity estimates in meta-analyses
-
10.1136/bmj.39343.408449.80. 17974687
-
Uncertainty in heterogeneity estimates in meta-analyses. JP Ioannidis NA Patsopoulos E Evangelou, BMJ 2007 335 7626 914 6 10.1136/bmj.39343.408449.80 17974687
-
(2007)
BMJ
, vol.335
, Issue.7626
, pp. 914-6
-
-
Ioannidis, J.P.1
Patsopoulos, N.A.2
Evangelou, E.3
|