Table 1.
Characteristics of Study Participants
| Characteristic | All (N = 1884) |
Previous TB (n = 452) |
No Previous TB (n = 1432) |
P |
|---|---|---|---|---|
| Median (IQR) age, y | 38 (29–48) | 41 (34–50) | 37 (28–47) | <.001 |
| Male sex | 1184 (62.8) | 326 (71.1) | 858 (59.9) | <.001 |
| HIV statusa | ||||
| ȃPositive | 702 (37.3) | 250 (58.1) | 452 (33.6) | <.001 |
| ȃNegative | 1073 (56.9) | 180 (41.9) | 893 (66.4) | … |
| Current symptoms | ||||
| ȃCough | 1446 (76.7) | 355 (78.7) | 1091(76.2) | .28 |
| ȃFever | 634 (33.6) | 171(37.8) | 463 (32.3) | .033 |
| ȃNight sweats | 626 (33.2) | 153 (33.8) | 473 (35.2) | .76 |
| ȃWeight loss | 914 (48.5) | 234 (51.8) | 680 (47.5) | .11 |
| ȃChest pain | 1459(77.4) | 327 (72.3) | 1132 (79.0) | .003 |
| ȃShortness of breath | 909 (48.2) | 208 (46.0) | 701 (48.9) | .20 |
| Symptom classification | ||||
| ȃ1 Symptom | 350 (18.6) | 75 (16.6) | 275 (19.2) | .10 |
| ȃ2 Symptoms | 405 (21.2) | 96 (21.2) | 309 (21.6) | … |
| ȃ3 Symptoms | 369 (19.6) | 106 (23.4) | 263 (18.4) | … |
| ȃ≥4 Symptoms | 760 (37.0) | 175 (38.7) | 585 (40.8) | … |
| Sputum Xpert MTB/RIFb positive | 298 (15.8) | 56 (12.3) | 242 (16.9) | .022 |
All values represent n (%) except where explicitly noted. Abbreviations: HIV, human immunodeficiency virus; IQR, interquartile range; TB, tuberculosis.
There were 109 patients with an unknown HIV status (n = 22 persons with previous TB and n = 87 persons without previous TB.
Cepheid (Sunnyvale, CA).