BMC Infectious Diseases

Table 1 Mean counts (Log₁₀ CFU/ml) after 10-day exposure to Isoniazid and Rifampicin

From: Mycobacterium tuberculosis Uganda II is more susceptible to rifampicin and isoniazid compared to Beijing and Delhi/CAS families

Strain/ genotype	Isoniazid						Rifampicin
	Aerobic			Oxygen depleted			Aerobic			Oxygen depleted
	1x MIC	2x MIC	5x MIC	1x MIC	2x MIC	5x MIC	1x MIC	2x MIC	5x MIC	1x MIC	2x MIC	5x MIC
Uganda II	5.29	4.06	3.12	7.51	7.56	7.22*	5.45	4.11	2.86	5.03	3.91*	3.03*
Delhi/CAS	6.10	4.47	3.23	7.64	7.67	7.49	5.27	2.96	2.96	7.43	6.58*	5.23*
Beijing	5.48	4.10	3.30	7.64	7.51	7.36*	5.44	2.93	2.93	7.39	6.53	5.14*

*Where P-value was <0.05 when compared to Uganda II

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