      left_buffer right_buffer precision (Intercept)  severity          age
2.5%     2.345154    0.3467743  2.451803  -0.6968311 0.2505042 -0.009240789
50%      3.903038    0.6313380  2.677658  -0.3489812 0.2806557 -0.006342794
97.5%    4.979166    1.0131147  2.914233  -0.1411025 0.3130778 -0.004258235
