PubMed Health⌕ Search
Home/Archive/PubMed

PubMed · 3462220

Evaluation using sequential trials methods.

M E Cohen·S A Ralls
View original source ↗Export metadata ↓

Abstract

Dental school faculty members, as well as many practitioners, are interested in evaluating products and procedures used in clinical practice. Research design and statistical analysis, however, can pose problems to some, while others would like to avoid detailed consideration of protocol until after a preliminary investigation. Sequential trials methods provide an analytical structure that is both easy to use and statistically valid.

Explore related subjects

Evaluation Studies as TopicResearch DesignStatistics as TopicJournal ArticleResearch Support, U.S. Gov't, Non-P.H.S.

Keep this discovery

Explore connections, maps & timelines

BibTeXRIS

M E Cohen, S A Ralls. 1986. Evaluation using sequential trials methods.. https://pubmed.ncbi.nlm.nih.gov/3462220/

Cite the original work for its findings. Save a collection to share your selection of sources.

KEEP EXPLORING

Related citations

PubMed1992

[Transjugular intrahepatic portosystemic stent shunt (TIPSS) with use of Rösch-Uchida transjugular liver access set--evaluation by CT and its clinical application].

Appropriateness of the Rösch-Uchida transjugular liver access set designed for TIPSS procedure was confirmed, especially about the catheter angle and effective length of the 20 G puncture needle, by CT analysis on three dimensional vascular anatomy of the liver. Clinically, TIPSS using the set was successfully made for two patients, connecting superior right hepatic vein with right portal vein in one patient and middle hepatic vein with left portal vein in another patient with hypoplastic right portal vein. Prior to TIPSS procedure, verification of vascular anatomy on CT images is the key to success of TIPSS in safe.

Evaluation Studies as Topic↗
PubMed1992

[Testing an ultrasonic scanner for determination of urinary bladder volume].

Bladderscan BVI 2000 is a portable ultrasound scanner, specially constructed for determination of bladder volume. We have tested this scanner for accuracy, systematic errors and the training required to use it. The bladder volumes measured by ultrasound scanning were compared with the true volumes. Fifty-six measurements were made. We found the accuracy of BVI 2000 sufficient to determine bladder volumes as either small or large. We found no systematic errors. No special training is required to use the scanner. The device is thus useful in most clinical situations when greater accuracy than indicated here is not necessary.

Evaluation Studies as Topic↗