Table 1—

Demographic details of the study cohort

Active TBLTBI
Subjects91118
Age yrs
 <12 (2.2)18 (16.3)
 1–27 (7.7)8 (6.7)
 2.1–518 (19.8)31 (26.0)
 5.1–1018 (19.8)22 (18.0)
 10.1–1646 (50.5)39 (33.0)
Sex
 Female47 (51.6)57 (48.3)
 Male44 (48.4)61 (51.7)
Ethnicity
Black African49 (54.4)50 (42.0)
South Asian21 (23.3)39 (33.0)
South-east Asian6 (6.6)9 (8.0)
Afro-Caribbean0 (0)4 (3.0)
 Arab7 (7.7)3 (2.5)
 Mixed1 (0.01)7 (6.0)
 Caucasian7 (7.7)6 (5.0)
Country of birth
 UK30 (33.0)50 (42.3)
 Other61 (67.0)68 (57.7)
Known TB contact
 Yes40 (44.0)102 (86.0)
 No47 (51.6)13 (11.0)
 Unknown4 (4.4)3 (3.0)
BCG vaccinated
 Yes55 (60.4)87 (74.0)
 No23 (25.3)17 (14.0)
 Unknown13 (14.3)14 (12.0)
Travel to TB endemic countries
 Yes58 (63.7)55 (47.0)
 No25 (27.5)53 (44.5)
 Unknown8 (8.8)10 (8.5)
  • Data are presented as n or n (%). TB: tuberculosis; LTBI: latent TB infection. BCG: bacillus Calmette–Guérin.