*<math>E_3</math>= patients without bone degeneration of the temporomandibular joint.
+
*<math>E_3</math> = patients without bone degeneration of the temporomandibular joint.
We will use the probability conditioned <math>P(A \mid B)</math> that is the probability that the <math>A</math> event occur only after the event <math>B</math> has already occurred.
We will use the probability conditioned <math>P(A \mid B)</math> that is the probability that the <math>A</math> event occur only after the event <math>B</math> has already occurred.