TABLE 2.

Comparison of sputum bacillary load and disease severity in patients with cavitary and noncavitary tuberculosis

Patient groupCFU/ml of sputum (SE) at various disease severitiesPa
MinimalModerately advancedFar advanced
Cavitary4.79 (0.22)5.35 (0.17)<0.05
Noncavitary3.05 (0.28)4.11 (0.17)b4.64 (0.25)b<0.05
  • a Wilcoxon Mann-Whitney test.

  • b P < 0.05 (cavitary versus noncavitary).