Generalizations are hazardous
Berkson’s fallacy. Berkson’s fallacy is described, which occurs when we find a spurious association between two variables due to a improper sample.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Category Epidemiology
You make your bed, you lie in it
Case-crossover studies. Case-crossover studies focus on the event and try to see something that favors it, comparing the exhibitions of immediate with previous moments.
From the triangle to the pie
Causality. Some causality models and some of their components are described: component cause, necessary cause and sufficient cause.
The hare and the tortoise
Hazard ratio. The hazard ratio represents the risk of presenting an event, with respect to the control group, in the next instant of time.
Twisting parallels
Crossover clinical trial. Crossover clinical trial allows each patient to receive the study and the control interventions, in a specific order and for a set time.