TABLE 2.
Cluster size and number of clusters among M. tuberculosis isolates from 121 Ethiopian patients with pulmonary TB, with special reference to the situation in Addis Ababa
| Cluster size (no. of isolates) | No. of clusters | Total no. (%) of isolates (n = 121) | No. of clusters for Addis Ababa residents | Total no. (%) of isolates for Addis Ababa residents (n = 91) |
|---|---|---|---|---|
| 2 | 8 | 16 | 7 | 14 |
| 3 | 2 | 6 | 1 | 3 |
| 4 | 1 | 4 | 0 | 0 |
| 10 | 1 | 10 | 1 | 8 |
| 15 | 1 | 15 | 1 | 12 |
| Total | 13 | 51 (41.2)a | 10 | 37 (40.7)b |
a
95% CI, 33.3 to 50.9%.\
b
95% CI 30.6 to 50.8%.