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study population vs study subjects

Both 'study population' and 'study subjects' are correct, but they are used in different contexts. 'Study population' refers to the entire group of individuals being studied, while 'study subjects' specifically refers to the individuals participating in the study.

Last updated: March 27, 2024 • 961 views

study population

This phrase is correct and commonly used in research and academic contexts.

It refers to the entire group of individuals being studied in a research project or study.

Examples:

  • The study population consisted of 500 adults over the age of 65.
  • The study population was divided into two groups for comparison.
  • The mean duration of exposure to romiplostim in this study population was 50 weeks.
  • Approximately half of the study population had at least two of the cardiovascular history entry criteria.
  • Additionally, 45% of the study population also received long-acting nitrates.
  • Randomization was stratified by low-dose ASA use (24% of patients in the overall study population) and age.
  • Although a treatment effect was demonstrated in the overall study population, the data suggested that a larger treatment effect relative to placebo was seen in the subgroup of patients with moderate dementia associated with Parkinson's disease.
  • setting: study population defined in terms of persons, place, time period, and selection criteria, including the rationale for any inclusion and exclusion criteria.
  • The study population consisted of 497 women with osteoporosis as defined by low vertebral BMD (T-score <= 2.5).
  • Aclasta was administered once a year, until at least 211 patients in the study population had confirmed clinical fractures.
  • Efficacy was similar in the subgroup of patients that were exposed to previous systemic therapies compared to the overall study population.
  • The study population consisted of 8,556 postmenopausal women with osteoporosis as defined by low BMD (vertebral or hip BMD at least 2.5 standard deviations below the mean value for healthy young women).
  • The effect on race could not be analysed because the study population was predominantly Caucasian (88%)
  • Limited clinical data suggest that patients with very low or non-measurable plasma concentrations of the metabolite and elevated concentrations of nelfinavir do not show a reduced virological response or a different safety profile when compared with the whole study population.
  • The incidence of endometrial cystic change and endometrial thickness was analyzed in a subset of the study population (298 patients) with an annual transvaginal ultrasound (TVU) through 3 years.
  • The study population had an average age of 62 years; the average duration of diabetes was 9.5 years.
  • The study population consisted of 68 (25%) men and 209 (75%) women with a mean age of 49 years (range:
  • The study population included 58 patients with a prior subtotal or total colectomy and 25 patients with an intact colon.
  • The untreated historical cohort was matched to the pivotal study population and was derived from a retrospective natural history study (n=42) in patients with infantile-onset Pompe disease.
  • Limited clinical data suggest that patients with very low or non-measurable plasma concentrations of the metabolite and elevated concentrations of nelfinavir do not show a reduced virological response or a different safety profile when compared with the whole study population.
  • No cases of fulminant hepatic failure occurred during follow-up in the study population.
  • The effects on retinopathy in the study population were not convincing after adjustment for BP and glycaemic control and are not further supported by external data.

Alternatives:

  • research participants
  • study sample
  • study cohort
  • study group

study subjects

This phrase is correct and commonly used in research and academic contexts.

It specifically refers to the individuals who are participating in a research project or study.

Examples:

  • The study subjects were asked to complete a questionnaire.
  • The study subjects were recruited from local hospitals.
  • Outcome data: numbers of study subjects across categories of main outcomes.
  • Subjects: any source population and eligibility criteria for study subjects.
  • In this regard, study subjects whose blood pressure was well controlled, the reduction was minimal and similar to that seen in healthy subjects.
  • In study subjects whose blood pressure was not controlled, the reduction was greater although this reduction was not associated with hypotensive symptoms in the majority of subjects.
  • The marketing authorisation holder shall ensure that all study information is handled and stored so as to allow for accurate reporting, interpretation and verification of that information and shall ensure that the confidentiality of the records of the study subjects remains protected.
  • 12 study subjects can't prove anything conclusively.
  • He's talking about the range of study subjects.
  • Participants: numbers of study subjects at each stage of study.
  • When are we bringing in the next batch of study subjects?
  • Which begs the question... if our study subjects are primarily colored, do we include their data in with everybody else's?
  • The most common treatment-related adverse reactions reported during clinical trials with PegIntron in combination with ribavirin, seen in more than half of the study subjects, were headache, fatigue, and injection site reaction.
  • On 20 April 2009 the magazine Der Spiegel reported that a number of Commission staff members were currently attending universities and colleges under a specially developed training programme to study subjects including 'political analysis' and 'dealing with the media'.
  • There were 394 myopathy cases fulfilling the study definition amongst a cohort of 133,454 study subjects in study 1.

Alternatives:

  • research participants
  • study participants
  • participants in the study
  • study participants

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