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Items: 1 to 20 of 104

1.

Comparison of descriptions of allocation concealment in trial protocols and the published reports: cohort study.

Pildal J, Chan AW, Hróbjartsson A, Forfang E, Altman DG, Gøtzsche PC.

BMJ. 2005 May 7;330(7499):1049. Epub 2005 Apr 7. Review.

2.

Randomisation to protect against selection bias in healthcare trials.

Odgaard-Jensen J, Vist GE, Timmer A, Kunz R, Akl EA, Schünemann H, Briel M, Nordmann AJ, Pregno S, Oxman AD.

Cochrane Database Syst Rev. 2011 Apr 13;(4):MR000012. doi: 10.1002/14651858.MR000012.pub3. Review.

PMID:
21491415
3.

Impact of allocation concealment on conclusions drawn from meta-analyses of randomized trials.

Pildal J, Hróbjartsson A, Jørgensen KJ, Hilden J, Altman DG, Gøtzsche PC.

Int J Epidemiol. 2007 Aug;36(4):847-57. Epub 2007 May 21. Erratum in: Int J Epidemiol. 2008 Apr;37(2):422.

PMID:
17517809
4.

[Selective reporting of positive outcomes in randomised trials--secondary publication.. A comparison of protocols with published reports].

Hróbjartsson A, Chan AW, Haahr MT, Gøtzsche PC, Altman DG.

Ugeskr Laeger. 2005 Aug 22;167(34):3189-91. Danish.

PMID:
16117920
5.

Discrepancy between published report and actual conduct of randomized clinical trials.

Hill CL, LaValley MP, Felson DT.

J Clin Epidemiol. 2002 Aug;55(8):783-6.

PMID:
12384192
6.
7.

The journal impact factor as a predictor of trial quality and outcomes: cohort study of hepatobiliary randomized clinical trials.

Gluud LL, Sørensen TI, Gøtzsche PC, Gluud C.

Am J Gastroenterol. 2005 Nov;100(11):2431-5.

PMID:
16279896
8.

Reporting on blinding in trial protocols and corresponding publications was often inadequate but rarely contradictory.

Hróbjartsson A, Pildal J, Chan AW, Haahr MT, Altman DG, Gøtzsche PC.

J Clin Epidemiol. 2009 Sep;62(9):967-73. doi: 10.1016/j.jclinepi.2009.04.003.

PMID:
19635403
9.

Discrepancies in sample size calculations and data analyses reported in randomised trials: comparison of publications with protocols.

Chan AW, Hróbjartsson A, Jørgensen KJ, Gøtzsche PC, Altman DG.

BMJ. 2008 Dec 4;337:a2299. doi: 10.1136/bmj.a2299.

11.

Different methods of allocation to groups in randomized trials are associated with different levels of bias. A meta-epidemiological study.

Herbison P, Hay-Smith J, Gillespie WJ.

J Clin Epidemiol. 2011 Oct;64(10):1070-5. doi: 10.1016/j.jclinepi.2010.12.018. Epub 2011 Apr 6. Review.

PMID:
21474279
12.

Allocation concealment in randomised trials: defending against deciphering.

Schulz KF, Grimes DA.

Lancet. 2002 Feb 16;359(9306):614-8. Review.

PMID:
11867132
13.

Subgroup analyses in randomised controlled trials: cohort study on trial protocols and journal publications.

Kasenda B, Schandelmaier S, Sun X, von Elm E, You J, Blümle A, Tomonaga Y, Saccilotto R, Amstutz A, Bengough T, Meerpohl JJ, Stegert M, Olu KK, Tikkinen KA, Neumann I, Carrasco-Labra A, Faulhaber M, Mulla SM, Mertz D, Akl EA, Bassler D, Busse JW, Ferreira-González I, Lamontagne F, Nordmann A, Gloy V, Raatz H, Moja L, Rosenthal R, Ebrahim S, Vandvik PO, Johnston BC, Walter MA, Burnand B, Schwenkglenks M, Hemkens LG, Bucher HC, Guyatt GH, Briel M; DISCO Study Group.

BMJ. 2014 Jul 16;349:g4539. doi: 10.1136/bmj.g4539. Erratum in: BMJ. 2014;349:4921. Kasenda, Benjamin [added]; Schandelmaier, Stefan [added]; Sun, Xin [added]; von Elm, Erik [added]; You, John [added]; Blümle, Anette [added]; Tomonaga, Yuki (8) Saccilotto, Ramon (9) Amstutz, Alain [added]; Bengough, Theresa [added]; etc..

14.

Allocation concealment: a methodological review.

Clark L, Schmidt U, Tharmanathan P, Adamson J, Hewitt C, Torgerson D.

J Eval Clin Pract. 2013 Aug;19(4):708-12. doi: 10.1111/jep.12032. Epub 2013 May 7. Review.

PMID:
23648092
15.

Reported methodologic quality and discrepancies between large and small randomized trials in meta-analyses.

Kjaergard LL, Villumsen J, Gluud C.

Ann Intern Med. 2001 Dec 4;135(11):982-9. Erratum in: Ann Intern Med. 2008 Aug 5;149(3):219.

PMID:
11730399
16.

Evolution of poor reporting and inadequate methods over time in 20 920 randomised controlled trials included in Cochrane reviews: research on research study.

Dechartres A, Trinquart L, Atal I, Moher D, Dickersin K, Boutron I, Perrodeau E, Altman DG, Ravaud P.

BMJ. 2017 Jun 8;357:j2490. doi: 10.1136/bmj.j2490. Erratum in: BMJ. 2017 Aug 8;358:j3806.

PMID:
28596181
17.

What's in a title? An assessment of whether randomized controlled trial in a title means that it is one.

Koletsi D, Pandis N, Polychronopoulou A, Eliades T.

Am J Orthod Dentofacial Orthop. 2012 Jun;141(6):679-85. doi: 10.1016/j.ajodo.2011.12.020.

PMID:
22640669
18.

Ghost authorship in industry-initiated randomised trials.

Gøtzsche PC, Hróbjartsson A, Johansen HK, Haahr MT, Altman DG, Chan AW.

PLoS Med. 2007 Jan;4(1):e19.

19.

Lay public's understanding of equipoise and randomisation in randomised controlled trials.

Robinson EJ, Kerr CE, Stevens AJ, Lilford RJ, Braunholtz DA, Edwards SJ, Beck SR, Rowley MG.

Health Technol Assess. 2005 Mar;9(8):1-192, iii-iv.

20.

How well are randomized controlled trials reported in the dermatology literature?

Adetugbo K, Williams H.

Arch Dermatol. 2000 Mar;136(3):381-5.

PMID:
10724201

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