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Results: 1 to 20 of 195

1.

When are observational studies as credible as randomised trials?

Vandenbroucke JP.

Lancet. 2004 May 22;363(9422):1728-31. No abstract available.

PMID:
15158638
[PubMed - indexed for MEDLINE]
2.

Methods to adjust for bias and confounding in critical care health services research involving observational data.

Wunsch H, Linde-Zwirble WT, Angus DC.

J Crit Care. 2006 Mar;21(1):1-7.

PMID:
16616616
[PubMed - indexed for MEDLINE]
3.

On the causal structure of information bias and confounding bias in randomized trials.

Shahar E, Shahar DJ.

J Eval Clin Pract. 2009 Dec;15(6):1214-6. doi: 10.1111/j.1365-2753.2009.01347.x.

PMID:
20367730
[PubMed - indexed for MEDLINE]
4.

Interpreting the results of observational research: chance is not such a fine thing.

Brennan P, Croft P.

BMJ. 1994 Sep 17;309(6956):727-30. Review.

PMID:
7950528
[PubMed - indexed for MEDLINE]
Free PMC Article
5.

Beyond randomised versus observational studies.

Concato J, Horwitz RI.

Lancet. 2004 May 22;363(9422):1660-1. No abstract available.

PMID:
15158623
[PubMed - indexed for MEDLINE]
6.

Bounds on potential risks and causal risk differences under assumptions about confounding parameters.

Chiba Y, Sato T, Greenland S.

Stat Med. 2007 Dec 10;26(28):5125-35.

PMID:
17525935
[PubMed - indexed for MEDLINE]
7.

Observational studies versus RCTs: what about socioeconomic factors?

Rosén M, Axelsson S, Lindblom J.

Lancet. 2009 Jun 13;373(9680):2026. doi: 10.1016/S0140-6736(09)61112-0. No abstract available.

PMID:
19524779
[PubMed - indexed for MEDLINE]
8.

Observational versus randomised trial evidence.

Lawlor DA, Davey Smith G, Bruckdorfer KR, Kundu D, Ebrahim S.

Lancet. 2004 Aug 28-Sep 3;364(9436):755. No abstract available.

PMID:
15337394
[PubMed - indexed for MEDLINE]
9.

Observational evidence.

Hennekens CH, Buring JE.

Ann N Y Acad Sci. 1993 Dec 31;703:18-24; discussion 24. Review. No abstract available.

PMID:
8192295
[PubMed - indexed for MEDLINE]
10.

Clinical research in obstetrics and gynecology: a Baedeker for busy clinicians.

Grimes DA, Schulz KF.

Obstet Gynecol Surv. 2002 Sep;57(9 Suppl 3):S35-53. Review. No abstract available.

PMID:
12479352
[PubMed - indexed for MEDLINE]
11.

Should meta-analyses of interventions include observational studies in addition to randomized controlled trials? A critical examination of underlying principles.

Shrier I, Boivin JF, Steele RJ, Platt RW, Furlan A, Kakuma R, Brophy J, Rossignol M.

Am J Epidemiol. 2007 Nov 15;166(10):1203-9. Epub 2007 Aug 21.

PMID:
17712019
[PubMed - indexed for MEDLINE]
Free Article
12.

[Preparation of data for based on various research--application of statistical methods].

Tango T.

Nihon Shokakibyo Gakkai Zasshi. 1998 May;95(5):412-8. Japanese. No abstract available.

PMID:
9696637
[PubMed - indexed for MEDLINE]
13.

Those confounded vitamins: what can we learn from the differences between observational versus randomised trial evidence?

Lawlor DA, Davey Smith G, Kundu D, Bruckdorfer KR, Ebrahim S.

Lancet. 2004 May 22;363(9422):1724-7. No abstract available.

PMID:
15158637
[PubMed - indexed for MEDLINE]
14.

From observational studies to randomized trials: asking the right question at the right time.

Neaton JD, Mugglin AS.

J Clin Periodontol. 2006 Aug;33(8):517-9. No abstract available.

PMID:
16899092
[PubMed - indexed for MEDLINE]
15.

Addressing the issue of channeling bias in observational studies with propensity scores analysis.

Lobo FS, Wagner S, Gross CR, Schommer JC.

Res Social Adm Pharm. 2006 Mar;2(1):143-51.

PMID:
17138506
[PubMed - indexed for MEDLINE]
16.

Assessment of risk of bias in randomized clinical trials in surgery.

Gurusamy KS, Gluud C, Nikolova D, Davidson BR.

Br J Surg. 2009 Apr;96(4):342-9. doi: 10.1002/bjs.6558. Review.

PMID:
19283747
[PubMed - indexed for MEDLINE]
17.

Controversy over "contradiction": Should randomized trials always trump observational studies?

Fletcher AE.

Am J Ophthalmol. 2009 Mar;147(3):384-6. doi: 10.1016/j.ajo.2008.04.024. No abstract available.

PMID:
19217953
[PubMed - indexed for MEDLINE]
18.

Beyond randomized controlled trials: a critical comparison of trials with nonrandomized studies.

Sørensen HT, Lash TL, Rothman KJ.

Hepatology. 2006 Nov;44(5):1075-82. Review.

PMID:
17058242
[PubMed - indexed for MEDLINE]
19.

Re: Should meta-analyses of interventions include observational studies in addition to randomized controlled trials? A critical examination of underlying principles.

Pereira C, Castilho E.

Am J Epidemiol. 2009 Mar 15;169(6):783; author reply 783-4. doi: 10.1093/aje/kwp016. Epub 2009 Feb 10. No abstract available.

PMID:
19208724
[PubMed - indexed for MEDLINE]
Free Article
20.
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