BBS2 and myeloid sarcoma: Scores that equal to 50.5 points or less with 95% confidence was considered as normal for BBS in patients with MS (95% confidence interval lower bound = 0.596, upper bound = 0.750; area under the curve (AUC) = 0.670; Std error = 0.030; p < 0.001) (Fig. 2).