Episode 315: 314. METHODS MONDAY! What Is A C-Score?

Episode 315: 314. METHODS MONDAY! What Is A C-Score?

What are c statistics

C-statistic gives the probability a randomly selected patient who experienced an event (e.g. a disease or condition) had a higher risk score than a patient who had not experienced the event.



Obviously there are people with low scores that still have events and people with high scores that never have events but the goal is the decision score gives us an idea of who is most likely.

· The idea or educated estimate can be turned into a C score- and c scores are kind of like grades== a score of 1 is absolue perfect model it means the model perfectly predicts those group members who will experience a certain outcome and those who will not.

· But we know in medicine that isn’t possible

IF

· A value of 0.5 means that the model is no better than predicting an outcome than random chance.

· Values over 0.7 indicate a good model.

· Values over 0.8 indicate a strong model.

Avsnitt(387)

Episode 377: 388. ACOI COPD and PNA

Episode 377: 388. ACOI COPD and PNA

CME for FREE

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Episode 376: 387. Methods Monday and an Example of Subgroup Analysis

Episode 376: 387. Methods Monday and an Example of Subgroup Analysis

https://www.nejm.org/doi/full/10.1056/NEJMoa2405923?query=clinical-medicine Mineralocorticoid receptor antagonists have been shown to reduce mortality in patients after myocardial infarction with cong...

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Episode 375: 386. Could half dose anticoagulation be the answer?

Episode 375: 386. Could half dose anticoagulation be the answer?

Estimated 5-year incidence of recurrent VTE was similar in the reduced-dose and full-dose groups (2.2% and 1.8%). Estimated 5-year bleeding incidence was significantly lower with reduced-dose than wi...

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Episode 374: 385. PRACTICE CHANGER! Male-Partner Treatment to Prevent Recurrence of Bacterial Vaginosis

Episode 374: 385. PRACTICE CHANGER! Male-Partner Treatment to Prevent Recurrence of Bacterial Vaginosis

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Episode 373: 384. Chronic Kidney Disease and Empagliflozin Legacy Effect

Episode 373: 384. Chronic Kidney Disease and Empagliflozin Legacy Effect

What Was Studied?The EMPA-KIDNEY trial followed 6,609 CKD patients at risk of disease progression. Participants were randomly assigned to receive empagliflozin (10 mg daily) or a placebo for a median ...

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Episode 372: 383. What is the GFR at which we stop metforin?

Episode 372: 383. What is the GFR at which we stop metforin?

Metformin while not necessarily first line therapy for diabetes depending on the patients co-morbid conditions it is certainly highly ranked on the list of medications! I know often metformin is stopp...

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Episode 371: 382. Is it safe to give the flu and covid vaccine at the same time?

Episode 371: 382. Is it safe to give the flu and covid vaccine at the same time?

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Episode 370: 381. Relative efficacy of prehabilitation interventions and their components

Episode 370: 381. Relative efficacy of prehabilitation interventions and their components

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