Certainty assessment | No. of participants | Effect | Certainty | ||||||
---|---|---|---|---|---|---|---|---|---|
Country TB burden No. of studies | Study design | Risk of bias a | Inconsistency b | Indirectness c | Imprecision d | Other considerations | Pooled relative risk (95% CI) | ||
All 5 | Observational | Not serious | Not serious | Not serious | Not serious | None | 13,617 | 1.92 (1.36, 2.73) | ⨁⨁◯◯LOW |
Low/intermediate 2 | Observational | Not serious | not serious | Not serious | Not serious | None | 6879 | 2.75 (1.70, 4.45) | ⨁⨁◯◯LOW |
High 3 | Observational | Not serious | not serious | Not serious | Not serious | None | 6738 | 1.66 (1.04, 2.66) | ⨁⨁◯◯LOW |