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How to calculate sensitivity, specificity, positive predictive value and negative predictive value.

How to calculate sensitivity, specificity, positive predictive value and negative predictive value.

Medical students need to be dexter in statistics. It is really needed though we often find it boring and hard to get through. These basic things apply in everyday medicine. So ready ?

 
Lets assume we have 1000 patients for sample.
Now lets say 100 patients actually have Diabetes not under treatment. So, 900 people have no Diabetes .
We want to see if Random …

Schizophrenic writings: Story of my Psychiatry postings

Schizophrenic writings: Story of my Psychiatry postings

Once a patient appeared in the Psychiatry OPD. She was childish though old enough and somewhat sweet for a psychiatric patient. She was humble and respected the doctor tremendously. “She is not much different from a baby” I said to my self.
“Look at the power of the mind, look what it can make out of people. I have seen people …

Blogs from Doctors and Medical students

Blogs from Doctors and Medical students

Blogging is not a rocket science, it’s about being yourself and putting what you have in it. Lately, blogging has been in trend – a place for many to express their opinions and feelings in a two way conversation and not just dump a one way ideas or messages. Here, we have some prominent Blogs by Medical professionals who …

Movies based on Psychiatric disorders

Movies based on Psychiatric disorders

1. A Beautiful mind
Based on the story of the Nobel prize winner, John Nash. Early in the movie, Nash begins developing paranoid schizophrenia and endures delusional episodes while painfully watching the loss and burden his condition brings on his wife and friends. Schizophrenia has been well elucidated in this movie.
 
2. Shutter Island
Starring Leornado de Caprio, one of the best movies with thrilling …


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