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Table 1 Base-line characteristics of the 762 children included in the study

From: Relation between BCG vaccine scar and an interferon-gamma release assay in immigrant children with “positive” tuberculin skin test (≥10 mm)

Boys-girls 458 boys, 304 girls
Median age 14 years
10–18 years 625
5–9 years 99
0–4 years 38
Median timea spent in Sweden 8 (0–96) months
Unaccompanied minors 215 (46 girls, 169 boys)
Concomitant diseases 36
HBsAg positive 8
Asthma 3
Rickets 3
Kidney stones 4
Epilepsia 3
Iron deficiency anema 3
Thalassemia minor 2
Mb Down 2
Coeliaci 1
Psychomotor retardation 2
Duchenne’s muscular dystrophy 1
Diabetes mellitus 1
Cannabis smoker 1
Mb Crohn 1
Cerebral palsy 1
  1. aTime (range) when QFT was assayed