Demographic characteristics of 42 individuals with miliary tuberculosis
| Variable | |
| Age years | 48.5 (29.0–65.0) |
| Age categories years | |
| 16–25 | 7 (16.7) |
| 26–35 | 7 (16.7) |
| 36–45 | 5 (11.9) |
| 46–55 | 9 (21.4) |
| >55 | 14 (33.3) |
| Sex | |
| Female | 17 (40.5) |
| Male | 25 (59.5) |
| Ethnicity | |
| White | 3 (7.1) |
| Indian Subcontinent | 34 (80.9) |
| Afro-Caribbean | 5 (11.9) |
| Place of birth | |
| UK | 3 (7.1) |
| Foreign born | 39 (92.9) |
| Time since entry to the UK years# | |
| <1 | 7 (20.0) |
| 1–5 | 14 (40.0) |
| 6–10 | 5 (14.3) |
| >10 | 9 (25.7) |
| HIV status¶ | |
| Negative | 34 (89.5) |
| Positive | 4 (10.5) |
| Monocyte:lymphocyte ratio+ | |
| Pre-treatment | 0.47 (0.33–0.73) |
| Post-treatment | 0.25 (0.16–0.27) |
| Assessment of CNS involvement | |
| Patients assessed for CNS involvement | 39 (92.9) |
| Imaging of CNS§ | 28 (71.8) |
| Head CT performed | 14 (50.0) |
| CT abnormal | 2 (14) |
| Head MRI performed | 20 (71.4) |
| MRI abnormal | 13 (65) |
| Lumbar puncture performed§ | 31 (79.5) |
| Lumbar puncture abnormal | 5 (16.7) |
| Patients with CNS involvement and test outcome | |
| Total number of patients with CNS involvement§ | 15 (38.5) |
| Lumbar puncture performed in those with CNS involvement | 12 (80.0) |
| Lumbar puncture sensitivity % (95% CI) | 41.7 (15.2–72.3) |
| Head CT performed in those with CNS involvement n | 5 |
| Head CT sensitivity % (95% CI) | 40.0 (5.3–85.3) |
| Head MRI performed in those with CNS involvement n | 14 |
| Head MRI sensitivity % (95% CI) | 92.9 (66.1–99.8) |
Data are presented as n (%) or median (interquartile range), unless otherwise stated. CNS: central nervous system; CT: computed tomography; MRI: magnetic resonance imaging. #: data available for 35 patients; ¶: four patients did not have a HIV test; +: data available for 23 patients; §: denominator is 39 patients.