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We therefore randomly selected 200 ventilated patients per hospital but enriched the sample with patients with longer durations of mechanical ventilation in order to maximize the frequency of events and hence power.
The frequency distribution was bell-shaped in the regional population, but skewed in the implementation sample, with patients missing above the age of 70 years.
A larger sample with patients from different areas of Karachi in future studies would offer better-supported conclusions about city-wide prescribing practices, and about the prevalence of GABHS infection in adults.
This paper describes a study that was designed to assess the representativeness of patients treated for an eating disorder within a randomised controlled trial (RCT) by comparing the trial sample with patients seen in the same clinic before and after the period of recruitment for the trial.
The same reasoning applies to a sample selected for factor A. Finally, in a selected sample, with patients with factor A excluded from treatment, factor A will not predict treatment outcome: if factor A is not present, it cannot predict treatment outcome.
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The participants were convenience samples, with patients from three clinical research projects and healthy controls from a fourth research project.
Thus far, a small number of studies performed suitable validation of protein biomarkers derived by proteomics, i.e. in clinical samples with patients' follow-up data [ 79 81].
We compared EMMPRIN expression in OSCC tissue samples with patient clinicopathological variables.
Functional impairment was prevalent in the study sample, with 111 patients being nursing home residents (22.3%).
The endotoxin activity (EA) is calculated by a simple algorithm based on light emission measured in a luminometer sensitive to light in the 450 nm range (Patient sample with antibody - Patient sample without antibody)/(Patient sample with maximal endotoxin - Patient sample without antibody).
Label the sample tube with patient identifiers.
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CEO of Professional Science Editing for Scientists @ prosciediting.com