Table 1.
Demographic characteristics of subjects with TB-negative (n=144) and TB-positive cultures (n=245) from 2010 to 2012
| Variables | Negative culture subjects (%) | Positive culture subjects (%) |
|---|---|---|
| Sex, no (%) | ||
| Female | 53 (37) | 70 (29) |
| Male | 91 (63) | 175 (71) |
| Age, years | ||
| Mean ± SD | 56±20 | 59±21 |
| Range | 19–96 | 16–94 |
| BMI, kg/m2 | ||
| Mean ± SD | 23±4 | 22±4 |
| Range | 14–40 | 12–33 |
| Marital, no (%) | ||
| Unmarried | 19 (13) | 42 (17) |
| Married | 125 (87) | 203 (83) |
| Smoking, no (%) | ||
| Nonsmoker | 92 (64) | 146 (60) |
| Former smoker | 34 (24) | 67 (27) |
| Current smoker | 18 (12) | 32 (13) |
| Alcohol consumption, no (%) | ||
| No | 78 (54) | 179 (73) |
| Yes | 66 (46) | 66 (27) |
| Education, no (%) | ||
| Less than high school | 67 (46) | 129 (53) |
| High school or equivalent | 50 (35) | 77 (31) |
| More than high school | 27 (19) | 39 (16) |
| Socioeconomic status, no (%) | ||
| High | 3 (2) | 2 (1) |
| Middle | 137 (95) | 204 (83) |
| Low | 4 (3) | 38 (16) |
| HIV infection | ||
| Yes | 0 | 0 |
| No | 144 (100) | 245 (100) |
| Pulmonary cavity | ||
| Yes | 0 (0) | 63 (26) |
| No | 144 (100) | 182 (74) |
| CXR grading | ||
| Mean ± SD | – | 33±29 |
| Range | – | 3–140 |
| Sputum culture conversion, days | ||
| Mean ± SD | – | 242±108 |
| Range | – | 32–773 |
| Outcome | ||
| Alive | – | 212 (87) |
| Death | – | 33 (13) |
Abbreviations: BMI, body mass index; CXR, chest X-ray; HIV, human immunodeficiency virus; SD, standard deviation; TB, tuberculosis.