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Showing 1 to 12 of 386 entries
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On clinically relevant differences and shifted null hypotheses.

Methods of information in medicine

Victor N.
PMID: 3670099
Methods Inf Med. 1987 Jul;26(3):109-16.

No abstract available.

A simple method for the estimation of interaction bias in crossover studies.

Journal of clinical pharmacology

Cleophas TJ.
PMID: 2243151
J Clin Pharmacol. 1990 Nov;30(11):1036-40. doi: 10.1002/j.1552-4604.1990.tb03591.x.

The crossover trial is considered the most powerful means of determining the efficacy of new drugs. However this study design is frequently invalidated by treatment-by-period interaction. If, for example, the effect of the first treatment period carries on into...

Surrogate endpoints: a basis for a rational approach.

European journal of clinical pharmacology

Boissel JP, Collet JP, Moleur P, Haugh M.
PMID: 1425885
Eur J Clin Pharmacol. 1992;43(3):235-44. doi: 10.1007/BF02333016.

In clinical trials, the clinical endpoint is often replaced by an intermediate endpoint, known in some instances as a "surrogate" endpoint. The reasons for the substitution are often both practical and financial. At present, no theoretical basis or practical...

[The pyramids of cardiology].

Giornale italiano di cardiologia

Masoni A.
PMID: 3732712
G Ital Cardiol. 1986 Mar;16(3):191-5.

No abstract available.

Loss of power from an optimistic alternative hypothesis.

Statistics in medicine

Blumenson LE.
PMID: 3368672
Stat Med. 1988 Apr;7(4):457-66. doi: 10.1002/sim.4780070402.

In the planning of a clinical trial to compare the proportion of responses to two treatments one determines the sample size to yield the desired power of achieving a significant difference at a pre-selected type I error under the...

The summarizing of clinical experiments by significance levels.

Statistics in medicine

Anscombe FJ.
PMID: 2218173
Stat Med. 1990 Jun;9(6):703-8. doi: 10.1002/sim.4780090617.

For a controlled clinical experiment in which two alternative treatments are compared, the statistical report often culminates in a significance test of the null hypothesis of no difference between the treatments, and significance at the 5 per cent level...

[Clinical trials in general practice. The telematics solution].

Therapie

Boissel JP, Alamercery Y, Collet JP, Luciani J, Leizorovicz A.
PMID: 2080485
Therapie. 1990 Nov-Dec;45(6):471-4.

Clinical trials with private practitioners pose a series of specific problems. Among them, the large number of investigators, the scarcity of time that each investigator can allocate to the study, may be eased by using computerized network. The telematic...

[Assessment of group composition in clinical studies with reference to ethical aspects].

Zeitschrift fur arztliche Fortbildung

Hiller E.
PMID: 2378113
Z Arztl Fortbild (Jena). 1990;84(7):343-5.

No abstract available.

How many raters? Toward the most reliable diagnostic consensus.

Statistics in medicine

Kraemer HC.
PMID: 1609173
Stat Med. 1992 Feb 15;11(3):317-31. doi: 10.1002/sim.4780110305.

When faced with a decision whether or not to treat a patient, to enter or to withdraw a patient from a clinical trial, or any other such binary decision, based on diagnosis with unsatisfactory reliability, can a consensus diagnosis...

[Experimental studies].

Atencion primaria

Salleras Sanmartí L.
PMID: 2518902
Aten Primaria. 1989 Dec;6(10):745-50.

No abstract available.

Assessing clinical trials--between-observer variation.

British medical journal (Clinical research ed.)

Gore SM.
PMID: 6788259
Br Med J (Clin Res Ed). 1981 Jul 04;283(6283):40-3. doi: 10.1136/bmj.283.6283.40.

No abstract available.

Assessing, clinical trials-- protocol and monitoring.

British medical journal (Clinical research ed.)

Gore SM.
PMID: 6788334
Br Med J (Clin Res Ed). 1981 Aug 01;283(6287):369-71. doi: 10.1136/bmj.283.6287.369.

No abstract available.

Showing 1 to 12 of 386 entries