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Table 2 The relationship between drug resistance and clustering of the clinical isolates in Hanoi

From: Clonal expansion of Mycobacterium tuberculosis isolates and coexisting drug resistance in patients newly diagnosed with pulmonary tuberculosis in Hanoi, Vietnam

Resistant to MTB isolates P value*
Clustered Non-clustered
N = 146 N = 171
INH (0.2 μg/mL) 55 (37.7%) 34 (19.9%) 0.0004
INH (1.0 μg/mL) 49 (33.6%) 29 (17.0%) 0.0006
RMP 13 (8.9%) 6 (3.5%) 0.0437
SM 49 (33.6%) 41 (24.0%) 0.0592
EMB 7 (4.8%) 4 (2.3%) 0.2338
  1. *P values by chi-square test. P < 0.01 was regarded as statistically significant after considering multiple comparisons.