Volume 8, Number 11—November 2002
THEME ISSUE
Tuberculosis Genotyping
Tuberculosis Genotyping Network, United States
Statewide Molecular Epidemiology of Mycobacterium tuberculosis Transmission in a Moderate- to Low-Incidence State: Are Contact Investigations Enough?
Table 4
Comparison of selected risk-group characteristics of 114 recent tuberculosis (TB) patients by method of source patient identification
Characteristic | Total recent TB patients (n=114) (%) | Source patient identified by routine contact investigation (n=72) (%) | Source patient identified by cluster investigation (n=42) (%) | p value |
---|---|---|---|---|
Residence | ||||
Baltimore city | 56 (49.0) | 33 (45.8) | 23 (54.8) | 0.38 |
Other state jurisdictions | 58 (51.0) | 39 (54.2) | 19 (45.2) | |
Country of birth | ||||
United States | 104 (91.3) | 63 (87.5) | 41 (97.6) | 0.07 |
Other | 10 (8.7) | 9 (12.5) | 1 (2.4) | |
Long-term care resident | ||||
Yes | 7 (6.1) | 3 (4.2) | 4 (9.5) | 0.25 |
No | 107 (93.9) | 69 (95.8) | 38 (90.5) | |
Homeless | ||||
Yes | 18 (15.8) | 6 (8.3) | 12 (28.6) | 0.004 |
No | 96 (84.2) | 66 (91.7) | 30 (71.4) | |
Prison resident | ||||
Yes | 13 (11.4) | 8 (11.1) | 5 (11.9) | 0.86 |
No | 101 (88.6) | 64 (88.9) | 37 (88.1) | |
Abuses alcohol | ||||
Yes | 40 (35.0) | 19 (26.4) | 21 (50.0) | 0.01 |
No | 74 (65.0) | 53 (73.6) | 21 (50.0) | |
Uses injection drugs | ||||
Yes | 17 (14.9) | 11 (15.3) | 6 (14.3) | 0.89 |
No | 97 (85.1) | 61 (84.7) | 36 (85.7) | |
Uses noninjection drugs | ||||
Yes | 35 (30.7) | 23 (31.9) | 12 (28.6) | 0.71 |
No | 79 (69.3) | 49 (68.1) | 30 (71.4) | |
HIV-infected | ||||
Yes | 28 (24.6) | 16 (22.2) | 12 (28.6) | 0.45 |
No | 86 (75.4) | 56 (77.8) | 30 (71.4) |