Table 1.

Total number of M. tuberculosisculture-positive specimens for patients from whom three or more sputum specimens were obtained for AFB smear and culture

No. of culture-positive specimensNo. of patients (%) that were:
Eithera (n = 120)Smear positive (n = 56)bSmear negative (n = 64)
125 (21)1 (2)24 (38)
221 (17)4 (7)17 (27)
349 (41)29 (52)20 (31)
4 or more25 (21)22 (38)3 (4)
  • a Either smear positive or smear negative.

  • b At least one specimen obtained from each member of this group of patients was smear positive.