SLCO1B1 and tuberculosis: The cross-table for the frequencies of both the NAT2 and SLCO1B1 phenotypes is summarized in Fig. 2C. The prevalence of rapid, intermediate, and slow/ultra-slow acetylator phenotypes were 42.0%, 44.6%, and 13.3% for NTM infection, and 42.5%, 48.3%, and 9.1% for LTBI, respectively, which did not differ significantly from TB.