Table 1– Characteristics of tuberculosis cases in 323 children in Denmark
DanesImmigrantsChi-squared
Subjects66 (20.4)257 (79.6)
Sex
 Male40 (60.6)110 (42.8)0.0097
 Female26 (39.4)147 (57.2)
Age years
 0–431 (46.9)78 (30.3)0.0003
 5–922 (33.3)58 (22.6)
 10–1413 (19.7)121 (47.1)
Risk factor
 HIV/AIDS1
 Household exposure26 (39.3)95 (36.9)0.7161
 Non-household exposure29 (43.9)51 (19.8)0.0048
 Unknown/other11 (16.6)110 (42.8)0.0046
Disease site
 Pulmonary54 (81.8)189 (73.5)#0.1647
 Milliary1 (1.5)3 (1.2)0.8197
 Pleural2 (3)8 (3.1)0.9725
 Lymphatic3 (4.5)35 (13.6)0.0413
 Meningitis5 (7.3)5 (1.9)0.0185
 Spine4 (1.5)
 Bone
 Gastrointestinal7 (2.7)
 Genito-urinary
 Disseminated
 Cutaneous4 (1.5)
 Others1 (1.5)2 (0.7)
Disease verification
 Culture positive28 (42.4)133 (51.7)0.1765
 Smear positive1 (1.5)1 (0.4)
 NAA positive3 (4.5)
 Clinical symptoms3 (4.5)4 (1.5)0.1369
 TST11 (16.6)20 (8.0)0.0393
 IGRA1 (0.4)
 Chest radiography20 (30.3)89 (34.6)0.5072
 Histology7 (2.7)
 None available2 (0.7)
  • Data are presented as n (%), unless otherwise stated. NAA: nucleic acid amplification; TST: tuberculin skin test; IGRA: interferon-γ release assay. #: 17 immigrant children with pulmonary tuberculosis were also registered with extrapulmonary localisation (lymph nodes (n=8), gastrointestinal (n=3), spine (n=2), pleural (n=1), meningitis (n=1), genitourinary (n=1) and skin (n=1)).