| Study | Country | Age of enrolment | Presence of tuberculosis symptoms? | Setting | Tuberculosis prevalence % (n/N) | Percent children with advanced or severe immunosuppression |
| Kroidl 2015 | Tanzania | 6 weeks to 14 years, median 8.8 years (IQR 3.9 to 9.5)a | Tuberculosis symptoms | Outpatient | 40% (12/30 | 65% |
| LaCourse 2018a | Kenya | ≤ 12 years, median 24 months (IQR 13 to 58) | Irrespective of tuberculosis symptoms | Inpatient | 7% (9/130) | 70% |
| Nicol 2014 | South Africa | ≤ 15 years, median 42.5 months (IQR 19.1 to 66.3)* | Tuberculosis symptoms |
Inpatient and outpatient | 22% (23/160) | 53% |
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