Sensitivity and Specificity Explained Clearly (Biostatistics)

[@kirstenroche8160]

I have tried to learn this concept about 100 times in medical school. It never made sense to me. Your one short video talking about cars has somehow completely driven this concept into my mind! Thank you SO MUCH!

[@MuhammadJunaidAshraf]

I have an exam in a week and I couldn't understand the the SPIN and SNOUT thing so I searched Sensitivity and specificity explained intuitively and this came up. Not disappointed, it explained so much. Thank you.

[@ORagnar]

Thanks for this video from 6 years ago. What makes this concept clear is to realize that there is noise you're trying to contend with.

[@cili5724]

OH MY GOSH this actually makes sense finally! As I write boards, here I am Once again trying to learn this! Thank you! You’ve done it!

[@alphavirginis260]

This is, by far, the best explanation of Sensitivity and Specificity! Thank you!

[@pcookieness]

Speaking my language, you used the perfect examples and methods to teach this!

[@toddmason1865]

Excellent video from an excellent physician. I worked with Dr. Seheult for several years and I can say he definitely knows his stuff and has a great voice and ability to explain clearly, no doubt. Thank you doctor it helped immensely.

[@Medcram]

Todd Mason Thank you Todd, great to hear from you

[@00bean00]

The interpretation I made: Spec. is the number (or %) of negative cases it _accurately_ rules out. (Negatives) Sens. is the number (or %) of cases it accurately _identifies_ . (Positives) Thus, for any given test there will be a gap (or %), which is the number of cases that cannot be accurately known, or, are _unknowable_ (as FP or FN).

[@SubhabrataMoitra]

Brilliant explanation. Could you make a video on sensitivity and specificity with a real-time example? A drug-disease interaction would be great.

[@jcleach2764]

This was by FAR the best breakdown and explanation I've come across. Thank you!!

[@mateuszkaczmarek9848]

Best video on sensitivity and specificity, great job!

[@radwaandjama923]

You sir are an absolute legend. Couldn't't have explained it any better. Thank you!!

[@salam7905]

that car example has clarified everything I was confused about .. thank you so much ^-^

[@annetteasbury7415]

Wow, you made it so much easier to understand than our professor. Great use of the analogy of the car alarm. Thank you!

[@nothodube3698]

Great stuff. Simplified👌

[@brianjackson4177]

All of your videos are great. They are concise, well planned, and effectively communicate the concepts! Thank You!

[@bodybalanceanneloes9666]

Thank you for this great explanation!

[@ankursatya4733]

Quite explanatory and the car example was chosen "specifically".

[@AjaySharma-pg9cp]

Explanation provided is quite good

[@bobolob]

Helpful, but when you got to the bell curves, it was hard to visualize TP/FP and TN/FN because you didn't actually label them under the curves. If that makes any sense. You filled the spaces in, just no labels.

[@DreamEclipse]

That's because it's very hard, he would have to draw it three times. But for reference, if the test is equally sensitive and specific (point B), the half of the curve on the left is the TN, the half of the curve on the right is the TP, and the bisecting part in the middle from left to right is the FN and FP.

[@badr985]

where is the second video for the mathematical interpretation part ?

[@Gossypol]

I have understood 50% of the video. But after 6:21 the next part was a bit confusing for me. Still for the 50% a thank you won’t be enough. But still thank you very much. 🤚

[@Eric-sq4hd]

we need this for npv. and ppv too

[@MrKoolguy9]

Excellent explanation with lucid examples ... awesome !!!

[@DeepBlueMuslim]

Thank you, simple explanation for what is a relatively difficult concept. Think i struggled due to my understanding of the words 'specific' and 'sensitive'

[@Medcram]

+Omer Elhassan Thank you for the feedback

[@pohsstudio7769]

Great analogy with the car, makes it so much more simpler!

[@amirrezaeterafi3959]

Fantastic! thank you sir

[@burakORAKC]

this was fab thank you so much. Your title is just what I found in the video "EXPLAIND CLEAR" meaning we have a true-positive (TP) :D

[@為主作工]

Yes, it's really clear in explanation. Thank you so much!!

[@Medcram]

為主作工 good to hear- thank you

[@otacon3d]

At the end of the video it says there's a "next video" Still waiting on a part 2, will it still come? Also can you explain positive and negative predictive values?

[@FlyingFlaneur]

They released another one. kzbin.info/www/bejne/kIHGZ5KLoMmnsLc

[@nichols44nancy]

great video...hope you will go on to part 2 :)

[@pammyholisticmed]

I appreciate the misspelling... I'm not alone! Evil e-i combos. THANK YOU for this video...

[@Medcram]

+Pam deWilde Thanks for the comment, but what is the misspelling are you referring to?

[@pammyholisticmed]

MedCram - Medical Lectures Explained CLEARLY : Forgive me, I meant to reply to the comment below. At minute 2:50ish, the word "Thief" is misspelled. The last person to comment made mention of it, or I wouldn't have noticed. This video was very helpful, truly.

[@Medcram]

+Pam deWilde No problem at all, thanks for letting us know, and apologies for the misspelling!

[@jakirhossain8409]

a lot of thanks you make the things so easy

[@saileshbalanagu7530]

Thank you so much! Its very clear now.

[@Bekah07]

This is fantastic.. thanks so much. When is the next video in the series going up?

[@moe1n]

Excellent. after many years I got my answer. Thank you .

[@cortis77]

This is the best video I could find explaining sensitivity and specificity clearly, THANK YOU!

[@DrMilanii]

Great video! Can you please explain IV fluids in clinical practice? Thanks a lot

[@AbdullahMQ]

Great video, but does any one tell me where is the following part about the mathematical part?

[@AballVR6]

I love your lectures!!! Could you do one on neuro?

[@kayaksta]

excellent Roger!

[@Mrseabase1]

Thank you for the video. It was helpful.

[@Medcram]

Glad it was helpful - thanks for the comment

[@helenhayes3298]

What is the next video called please? I can't find it

[@nazmaahmed1544]

Really helpful. Thank you

[@Eric-sq4hd]

finally makes sense. wow..

[@leezanewill-cordington8395]

What is and why do tests have a "pre-setting"? 🤔. Take the covid-19 testing, could it be that the prerequisite for identifying the virus is highly similar to other viruses, thus giving false positives?

[@PiyD2537]

Very Well Explained...!

[@saraamin8154]

Thank you :) ! You always have wonderful explanations.

[@reneeshortz3404]

still a bit hard to grasp but I think I'm on the right track now!!

[@tomtong9859]

Brilliant video!

[@petesburgher]

thanks for the explanation ... I get it now!

[@b.kwanmin3367]

This is brilliant !

[@terigopula]

That was a nice explanation. Cheers! :)

[@rayanhasnat2140]

I think, sensitivity= TN/ TN+FN And specificity= TP/ TP+FP

[@Med.School.Wizards]

Great presentation :)

[@niharikadharmapuri8343]

well explained! thanks

[@miladchenaghlou5278]

Excellent !!!

[@AK.ALMAHASNEH]

thank u so much bro God bless you

[@nnp418]

Hi, I am confused about the cutoff point for most of the true positives, the highest positive predictive value, the lowest negative predictive value and the highest specificity on graph. At what point, I get most of the true positives and at what point I get the highest specificity. I hope someone clarifies these. I would be much more appreciated.

[@Princesscamiii]

I love you! I will always refer to disease as "thief" and test to "alarm". hehe

[@neard89]

please upload next one...

[@narjesseghatoleslam5307]

Dear Dr. Seheult, I did two different test for detection of a bacteria in the same population. Is it possible to calculate PPV, NPV, Sensitivity and Specificity of each test Separately with out gold standard ? Could you guide me please. Thank you for your consideration and confirmation would be appreciated. Sincerely, Narjes

[@Medcram]

+Narjes Seghatoleslam in order to calculate Ppv and npv you need to have accurate info on disease. This requires a gold standard.

[@narjesseghatoleslam5307]

Dear Dr. Seheult, thanks a lot for response, it is very nice of you.

[@boyuanchen4997]

Came here from Jeff Heaton's Machine Learning course :)

[@R0V3Rvids]

Cool bro! Great job!

[@naghmeazadi8294]

Great as ussual.Thanks

[@ioannisdikeoulias]

Specificity = TNR and Sensitivity = TPR...you mixed something up at your explanations 9:48 ...still good video!

[@syedwraza6184]

Great simple easy

[@Runcible2010]

Because of the epidemiological fallacy, test sensitivity should be high regardless of any demographic factors.

[@zarsblackhorse123]

Thank you.

[@misanteojos5934]

Thanks for the video its awesome, the car example is genius! but theif!!! makes my eyes hurt! hahaha

[@FaisalYami]

really good !!!

[@mechanizatorius]

next video??

[@oodon3220]

thank you!

[@arnabsaha3006]

excellent...

[@vdp5837]

Thanks!

[@imeann...]

6:00

[@chiragmehta2955]

If population is on y axis,What is on x axis?

[@hlulanisambo1933]

Thanks

[@ednamayseymour2053]

THANK YOU!!!!

[@bhaskergowda2203]

Could any one solve my problem or come a cross this problem pls let me know I have got trigenomial neuralgia from 17 yrs and I have been taking tegretol for all these years now lately l have developed sensitivitiness in leg and arm l cannot touch cold or hot water cannot walk longer pls help

[@Stonefalconetti]

Thief written "theif" and you are obviously a Native English speaker.. Yes, you really must be a very good doctor!!! ( No sarcasm. It's true. :))

[@Olu_Segun]

Brilliant

[@johnweir1217]

Really good but I before e except after c. 😄

[@joshuahornick3221]

"Thief", not "Theif." Still, very clear. Thank you.

[@كهعص]

High Sensitivity low specificty

[@bhupensinha3767]

FP and FN aren't correctly put .. interchange em...

[@Medcram]

+Bhupen Sinha false positives are people who don’t have disease but test positive. They go in the right column and top row by definition. False negatives are people who have disease but test negative. They go in the left column bottom row by definition.

[@khankhan-cw2bq]

Dont understand car eg make it more difficult...

[@dr.ghaith]

great thanx

[@janicebaker3499]

Spell thief correctly please

[@joeymatee]

lmaooo

[@Medcram]

+janice baker yeah I know. "Thief" there!

[@carog4969]

Get out of here

[@ryezizzle]

unwatchable video! jkjk!

[@daradangana5625]

Thankssss

[@Yazan-Baki]

Greeeeeeat

[@dr.osmanelamin77]

Great :) Thanks alot

[@themossman77]

Thief not theif....👌

[@monicaherrera-rickman3704]

👌🏻👌🏻🙌🏼🙌🏼👏👏

[@swngstr]

What’s a boombox? Ha ha jk.

[@LD-pt5ur]

I like your tutorial. I hate the car alarm example.

[@awolf81]

“I don’t get it” *twirls long blonde hair with index finger*

[@flyingcarpetdream]

Great video but he kinda lost me when he misspelled thief.

[@leezanewill-cordington8395]

"Thief"

[@Bj0rken1984]

Thief ;)