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#1
01-20-2014
 USMLE Forums Guru Steps History: Not yet Posts: 394 Threads: 128 Thanked 109 Times in 89 Posts Reputation: 119
sensitivity vs specificity

Pleasse explain what does this equation means..
"High specificity helps to rule IN diagnosis..high sensitivity helps to rule OUT diagnosis..

#2
01-20-2014
 USMLE Forums Scout Steps History: Not yet Posts: 52 Threads: 15 Thanked 51 Times in 12 Posts Reputation: 61

Quote:
 Originally Posted by medicalbiology Pleasse explain what does this equation means.. "High specificity helps to rule IN diagnosis..high sensitivity helps to rule OUT diagnosis..
If a test is "highly specific" for an organism .... The positive result of that test implies confirmation that the infection is caused by that organism. i.e helps to rule IN diagnosis.

If an organism is highly sensitive to any antibiotic test ... then that test is avoided in the organism for the diagnosis as the result would be "NEGATIVE" always i.e rules OUT the diagnosis.

Hope it helps!

Last edited by Dhakshi; 01-20-2014 at 04:18 AM.
 The above post was thanked by: medicalbiology (01-20-2014)

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