Figure 2. Based upon a non-informative prior probability distribution Beta(1, 1) for both p₁ (the proportion of CIPN in the “No Li or VPA” group) and p₂ (the proportion of CIPN in the “Li or VPA” group), and new information from the chart review of 0 CIPN of 4 in Li + VPA group and 44 CIPN of 100 in the “No Li or VPA” group, the respective posterior probability distributions for the group CIPN proportions are p₁∼Beta(1, 5) and p₂∼Beta(45, 67).

These posterior distributions for p₁ and p₂ are represented by the red and blue curves, respectively.