Table 2.
Sample Description, Clinical Characteristics, and Prevalence, Stratified by Definitions of Subclinical Tuberculosis
| Subjects, No. (%)a | |||||||
|---|---|---|---|---|---|---|---|
| Subclinical Tuberculosis by Definition 1 | Subclinical Tuberculosis by Definition 2 | ||||||
| Characteristics and Symptoms | Yes (n = 104) | No (n = 153) | P-Value | Yes (n = 32) | No (n = 225) | P-Value | Overall (n = 257) |
| Female sex | 57 (54.8) | 55 (35.9) | .004 | 16 (50.0) | 96 (42.7) | .55 | 112 (43.6) |
| Age, median (IQR), y | 41.0 (31.0–52.0) | 39.0 (30.0–51.0) | 40.0 (32.0–55.0) | 39.0 (30.0–50.0) | 39.0 (31.0–51.0) | ||
| Urban residence | 53 (51.0) | 87 (56.9) | .42 | 20 (62.5) | 120 (53.3) | .43 | 140 (54.5) |
| SES tertile | .82 | .06 | |||||
| Lowest | 22 (21.2) | 26 (17.0) | 3 (9.4) | 45 (20.0) | 48 (18.7) | ||
| Middle | 25 (24.0) | 41 (26.8) | 6 (18.8) | 60 (26.7) | 66 (25.7) | ||
| Highest | 49 (47.1) | 72 (47.1) | 22 (68.8) | 99 (44.0) | 121 (47.1) | ||
| Missing | 8 (7.7) | 14 (9.2) | 1 (3.1) | 21 (9.3) | 22 (8.6) | ||
| HIV result | .61 | .88 | |||||
| Negative | 39 (37.5) | 56 (36.6) | 11 (34.4) | 84 (37.3) | 95 (37.0) | ||
| Positive | 17 (16.3) | 19 (12.4) | 4 (12.5) | 32 (14.2) | 36 (14.0) | ||
| No test | 48 (46.2) | 78 (51.0) | 17 (53.1) | 109 (48.4) | 126 (49.0) | ||
| Symptoms | |||||||
| Cough | … | … | |||||
| None | 73 (70.2) | 0 (0) | 32 (100) | 41 (18.2) | 73 (28.4) | ||
| <2 wk | 31 (29.8) | 0 (0) | 0 (0) | 31 (13.8) | 31 (12.1) | ||
| ≥2 wk | 0 (0) | 153 (100) | 0 (0) | 153 (68.0) | 153 (59.5) | ||
| Fever | <.001 | … | |||||
| None | 79 (76.0) | 73 (47.7) | 32 (100) | 120 (53.3) | 152 (59.1) | ||
| <2 wk | 13 (12.5) | 16 (10.5) | 0 (0) | 29 (12.9) | 29 (11.3) | ||
| ≥2 wk | 12 (11.5) | 64 (41.8) | 0 (0) | 76 (33.8) | 76 (29.6) | ||
| Chest pain | <.001 | … | |||||
| None | 56 (53.8) | 34 (22.2) | 23 (71.9) | 67 (29.8) | 90 (35.0) | ||
| <2 wk | 16 (15.4) | 10 (6.5) | 1 (3.1) | 25 (11.1) | 26 (10.1) | ||
| ≥2 wk | 32 (30.8) | 109 (71.2) | 8 (25.0) | 133 (59.1) | 141 (54.9) | ||
| Night sweats | .008 | … | |||||
| None | 75 (72.1) | 91 (59.5) | 32 (100) | 134 (59.6) | 166 (64.6) | ||
| <2 wk | 10 (9.6) | 8 (5.2) | 0 (0) | 18 (8.0) | 18 (7.0) | ||
| ≥2 wk | 19 (18.3) | 54 (35.3) | 0 (0) | 73 (32.4) | 73 (28.4) | ||
| Weight loss | <.001 | … | |||||
| None | 64 (61.5) | 67 (43.8) | 32 (100) | 99 (44.0) | 131 (51.0) | ||
| <2 wk | 10 (9.6) | 5 (3.3) | 0 (0) | 15 (6.7) | 15 (5.8) | ||
| ≥2 wk | 30 (28.8) | 81 (52.9) | 0 (0) | 111 (49.3) | 111 (43.2) | ||
| Duration of longest symptom, median (IQR), wk | 2.00 (1.0–4.0) | 4.00 (2.0–8.0) | <.001 | 0 (0.0–1.3) | 4.00 (2.0–8.0) | <.001 | 4.00 (2.0–8.0) |
| Duration of longest symptom, excluding cough, median (IQR), wk | 2.00 (1.0–4.0) | 4.00 (2.0–8.0) | <.001 | 0 (0.0–1.3) | 4.00 (2.0–8.0) | <.001 | 3.00 (1.0–6.0) |
| Subclinical tuberculosis: definition 1 | 104 (100) | 0 (0) | <.001 | 32 (100) | 72 (32.0) | <.001 | 104 (40.5) |
| Subclinical tuberculosis: definition 2 | 32 (30.8) | 0 (0) | <.001 | 32 (100) | 0 (0) | <.001 | 32 (12.5) |
Symptoms which defined comparison groups were not included in significance testing.
Abbreviations: HIV, human immunodeficiency virus; IQR, interquartile range; SES, socioeconomic status.
Unless otherwise indicated, data represent no. (%) of subjects, with percentages based on column totals provided in column headings.