Table 2 Characteristics of 137 individuals with mycobacterial and bacterial sputum sample tests stratified by test results
No identified TB or bacteria (N = 50) | TB only (N = 27) | Bacteria only (N = 47) | TB and bacteria (N = 13) | p-value | |
|---|---|---|---|---|---|
Age (yrs) | 55 (44–64) | 42 (32–61) | 53 (38–65) | 52 (45–62) | 0.10 |
Male | 24 (48) | 17 (63) | 26 (55) | 7 (54) | 0.65 |
HIV infection | 3 (6) | 1 (4) | 0 | 0 | 0.35 |
Current smoking | 11 (22) | 9 (33) | 9 (19) | 6 (46) | 0.17 |
Previous pulmonary TB | 20 (40) | 3 (11) | 25 (53) | 3 (23) | 0.002 |
Number of times TB treateda | 0.10 | ||||
1 | 18/20 (90) | 1 (33) | 20 (80) | 2 (67) | |
2+ | 2/20 (10) | 2 (67) | 5 (20) | 1 (33) | |
Symptoms at presentation | |||||
Shortness of breath | 29 (58) | 19 (70) | 21 (45) | 5 (38) | 0.11 |
Cough | 50 (100) | 26 (96) | 43 (91) | 13 (100) | 0.13 |
Hemoptysis | 6 (12) | 4 (15) | 15 (32) | 3 (23) | 0.09 |
Chest pain | 25 (50) | 14 (52) | 21 (45) | 8 (62) | 0.76 |
Fever | 12 (24) | 13 (48) | 13 (28) | 4 (31) | 0.17 |
Weight loss | 32 (64) | 20 (74) | 31 (66) | 7 (54) | 0.64 |
Reported medication use at presentation | |||||
Antimicrobials prior to pesentation | 25 (50) | 18 (67) | 19 (40) | 6 (46) | 0.18 |
Antibacterials | 2/25 (8) | 4/18 (22) | 3/19 (16) | 1/6 (17) | – |
Anti-TB | 0/25 (0) | 2/18 (11) | 0/19 (0) | 0/6 (0) | – |
Unknown | 23/25 (92) | 12/18 (67) | 16/19 (84) | 5/6 (83) | – |
Other medications prior to presentation | 28 (56) | 16 (59) | 22 (47) | 5 (38) | 0.51 |