Frequency Genetic group Spoligo pattern Strain 72 (37.8%) 2,3 H4 37 (19.4%) 1 CAS 18 (9.4%) 2,3 T1 11 (5.7%) 1 Beijing 52 (27.3%) -   Unknown 190 (100%) -   Total

Table 2: The spoligotyping pattern of MTB strains.