Pearson’s correlation coefficient

@article{Sedgwick2012PearsonsCC,
  title={Pearson’s correlation coefficient},
  author={Philip M Sedgwick},
  journal={BMJ : British Medical Journal},
  year={2012},
  volume={345}
}
  • P. Sedgwick
  • Published 4 July 2012
  • Psychology, Medicine
  • BMJ : British Medical Journal
Researchers investigated the relation between the number of involuntary admissions (detentions) for mental disorders a year under the Mental Health Act 1983 and the number of NHS psychiatric beds each year in England. They used hospital episode statistics from 1996 to 2006 in a retrospective analysis. For each year they obtained the number of available NHS psychiatric beds—defined as those beds for patients with mental disorders or learning disabilities—and the number of involuntary admissions… 

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References

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Parametric v non-parametric statistical tests

Researchers investigated five year mortality in patients with chronic heart failure by comparing those with impaired left ventricular function with those with preserved function, finding that patients with preservedfunction had a lower median heart rate than patients with impaired function.

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