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Comparison of initial sputum smear/culture conversion between patients infected with the CLA-resistant [2058-2059 rrl mutant or rrl wild type/erm(41)T28] and -sensitive [rrl wild type/erm(41)C28 or rrl wild type/erm(41) M type] genotype groups. Patients infected with the resistant group isolates showed a significantly longer initial sputum medium conversion time: 12 months versus 7 months for the sensitive group (P = 0.004).
