TABLE 1.
M. tuberculosis bacillus load in smear-positive patients, according to the infecting strain spoligotype
| Bacterial sputum load | No. (%) of patients infected by M. tuberculosis spoligotypea |
|||
|---|---|---|---|---|
| Bovis | CAS/Beijing | Modern group 2 | EAI | |
| No. of AFB | ||||
| ≥100 AFB per field | ND | 4 (28.6) | 23 (45.1) | 4 (40) |
| <100 AFB per field | ND | 10 (71.4) | 28 (54.9) | 6 (60) |
| No. of CFU on LJ medium | ||||
| ≥300 CFU/tube | 1 | 8 (57.1) | 35 (68.6) | 5 (50) |
| < 300 CFU/tube | 2 | 6 (42.9) | 16 (31.4) | 5 (50) |
a
None of the differences between groups was statistically significant by the χ2 test. ND, not determined.