| Number of contacts examined | Number of contacts examined with TST | Number of tuberculosis infections | Proportion of tuberculosis infections among those tested | Tuberculosis cases |
---|---|---|---|---|---|
Mr. X | 3 | 1 | 1 | 100 | Case 2 |
Case 2 | 23 | 14 | 1 | 7 | Case 3 |
Case 4 | 0 | 0 | 0 | 0 | Â |
Case 9 | 24 | 5 | 0 | 0 | Â |
Case 10 | 50 | 41 | 1 | 2 | Â |
Case 11 | 194 | 154 | 24 | 16 | (Case 16) |
Case 13 | 45 | 33 | 0 | 0 | Â |
School | 1,730 | 964 | 40 | 4 | Case 15 |
Case 14 | 1 | 0 | 0 | 0 | Case B |
Case 18 | 11 | 4 | 0 | 0 | Case C |
Case 22 | 31 | 15 | 1 | 7 | Â |
Case 23 | 4 | 4 | 1 | 25 | Â |
Case D | 3 | 3 | 3 | 100 | Â |
Case 25 | 10 | 2 | 0 | 0 | Â |
Hospital | 100 | 92 | 1 | 0 | Â |
Case 28 | 32 | 8 | 3 | 38 | Â |
Other | 67 | 32 | 3 | 9 | Case A |
Total | 2,328 | 1,372 | 79 | 5.8 | 6 |