cohort

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cohort

Biology a taxonomic group that is a subdivision of a subclass (usually of mammals) or subfamily (of plants)

cohort

a group of persons possessing a common characteristic, such as being born in the same year, or entering school on the same date. The term is usually used in making generalizations derived from quantitative data (see QUANTITATIVE RESEARCH TECHNIQUES).

Cohort

 

(Latin cohors ). (1) A tactical subdivision of a legion in ancient Rome from the second century B.c. A legion had ten cohorts, each with from 360 to 600 men.

(2) Figuratively, a tightly knit group of people.

(3) A biological classification category that unites several related orders. For instance, the cohort of the Unguiculata includes the orders Insectívora, Dermoptera, Chiroptera, and Primates.

cohort

[′kō‚hȯrt]
(statistics)
A group of individuals who experience a significant event, such as birth, during the same period of time.
References in periodicals archive ?
In our patient cohort, we detected FHS more often in patients receiving chemotherapy.
In Kaplan-Meier survival studies on the DB patient cohort, we observed a significant separation of patients into different risks to experience postoperative PSA relapse based on the presurgical measurement of the PDE4D7 score in a tissue punch of a diagnostic needle biopsy (Figure 1(a)).
Using the total intravesical onabotulinum toxin A patient cohort, a paired t-test (mean NBSS domain score at baseline compared to mean NBSS domain score follow-up), standardized effect size (SES), and standardized response mean (SRM) was calculated.(7) A statistically significant change in the NBSS domain score, or a moderate (>0.5) SES or SRM was defined a priori as significant evidence of responsiveness.(7) The second method was an anchor based approach that uses the global assessment of change score to define a clinically relevant change.
The success rate of identifying DFS70 antibody in the selected patient cohort was 75% (47/63 sera).
The median ejection fraction (EF) of our patient cohort was 29% (interquartile range (IR) of 20 to 48%) and the median left ventricular end-diastolic diameter (LVEDD) was 60 mm with an interquartile range of 52 to 74 mm at the time point of study initiation.
announced earlier this spring that gains in sensory function by the first patient cohort in a clinical trial were maintained 12 months after having a stem cell transplant.
Overall survival rate in the patient cohort was estimated and compared to the expected survival rate of a comparable group in the general population derived from the official life-tables of Germany stratified by age, sex and calendar year.
Demographic and diagnostic data of the reestablished oncology patient cohort for the initial two year period of LSUHSC Oncology Clinic activity were reviewed to establish potential financial and systemic barriers affecting access to cancer care; patients served by the Tulane University Health Sciences Center (TUHSC) Oncology Clinic at the LSU-IPH were not included in this analysis.
Despite some flaws and limitations, acknowledged by the author, this paper highlights an important prevention and treatment need for a patient cohort well known to paediatric dentistry.
Analysis of pill count data showed that the mean adherence for every month throughout the year was above 94% and the mean adherence for the patient cohort over the entire observational period was 96.4% (standard deviation (SD) 6.7%), with 90% of patients achieving adherence of 90% or more and 78.5% achieving adherence of 95% or more.
Thoratec said forty-six percent of the HeartMate II patients successfully achieved the primary composite endpoint of survival at two years while remaining free from disabling stroke or the need for reoperation to replace or repair the pump versus 11% of the SVE patient cohort, on an intent to treat basis.
I do not have the exact figures for the smoking rate amongst my own patient cohort but judging by the number of times I have gone to call a patient from the waiting room only to find that they have 'popped out for a ciggie', I would assume it is equally as large!

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