Risk of pulmonary tuberculosis(TB) among migrants, by sex
| Reference | Study period | Pattern of migration | Males with TB n | Males n | Females with TB n | Females n | RR (95% CI)# |
| Kelly et al. 31 (2002) | 1999 | Refugees | 42 | 958 | 29 | 905 | 1.35 (0.85–2.15) |
| van Burg et al. 22 (2003) | 1994–1997 | Asylum seekers | 78 | 28875 | 25 | 17509 | 1.89 (1.21–2.96) |
| Erkens et al. 34 (2008) | 1998–2002 | Regular immigrants | 30 | 28566 | 46 | 38415 | 0.90 (0.57–1.42) |
| Smith et al. 29 (2000) | 1999–2000 | Refugees | 8 | 435 | 4 | 510 | 2.32 (0.70–7.65) |
| Pooled RR (95% CI)# | 1.39 (0.94–2.04) | I2 = 49.4% | |||||
RR: relative risk. #: males versus females.