Table 1.
Clinical demographics of the study participants.
| Variable | Total Active TB (n = 77) | PTB (n = 32) | Pleural TB (n = 20) | LNTB (n = 25) | Ethiopian Non-TB Controls (n = 78) | Swedish Non-TB Controls (n = 62) |
|---|---|---|---|---|---|---|
| Gender: | ||||||
| Male (M)–No (%) | 42 (55%) | 18 (56%) | 10 (50%) | 14 (56%) | 41 (54%) | 17 (27%) |
| Female (F)–No (%) | 35 (45%) | 14 (44%) | 10 (50%) | 11 (44%) | 35 (46%) | 45 (73%) |
| Age, median (range) | 27 (18–72) | 28.5 (18–54) | 27 (19–72) | 25.5 (18–57) | 29 (18–68) | 51.5 (21–72) |
| HIV infection, No (%) | 24 (31%) | 11 (34%) | 5 (25%) | 8 (32%) | 32 (41%) | 0 (0%) |
| Positive TST, No (%) | 65 (84%) | 26 (81%) | 16 (80%) | 23 (92%) | 40 (51%) | ND |
| Weight loss, No (%) | 55 (71%) | 28 (88%) | 15 (75%) | 12 (48%) | ND | ND |
| Occupation, No (%) | 33 (43%) | 17 (53%) | 9 (45%) | 7 (28%) | ND | ND |
| Other illness, No (%) a | 6 (8%) | 3 (9%) | 2 (10%) | 1 (4%) | ND | ND |
| 25(OH)D3 nmol/L (median) | 38.5 | 29.0 | 39.0 | 48.0 | 35.0 | 51.0 |
| 25(OH)D3 < 25 nmol/L–No (%) | 15 (20%) | 8 (25%) | 4 (20%) | 3 (12%) | 14 (18%) | 4 (6%) |
| 25(OH)D3 < 50 nmol/L–No (%) b | 50 (66%) | 24 (75%) | 11 (58%) | 15 (60%) | 63 (81%) | 31 (50%) |
| 25(OH)D3 50–75 nmol/L–No (%) | 23 (30%) | 7 (22%) | 7 (37%) | 9 (36%) | 15 (19%) | 26 (42%) |
| 25(OH)D3 > 75 nmol/L–No (%) | 3 (4%) | 1 (3%) | 1 (5%) | 1 (4%) | 0 (0%) | 5 (8%) |
PTB, pulmonary TB; LNTB, lymph node TB; TST, Tuberculin Skin Test; ND, No Data/Not Determined. a Other illnesses included diabetes, asthma, psychological problems, breast lesion, herpes zoster, and gastritis. b The proportion of Ethiopian subjects, including both active TB patients and non-TB controls, with VDD (<50 nmol/L) is 73%.