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Table 1 Patients with sputum specimens not available or negative on culture

From: Serial counts of Mycobacterium tuberculosis in sputum as surrogate markers of the sterilising activity of rifampicin and pyrazinamide in treating pulmonary tuberculosis

Duration of treatment (days) Patients (n = 122)
  Not available   Culture negative  
  No. % No. %
0 2 1.6 0 0
2 33 27.0 0 0
7 44 36.1 2 2
14 45 36.9 8 7
28 54 44.3 20 16