Table 4

Tuberculosis cases in cluster by resistance pattern and place of birth

Place of birthSensitive to isoniazid and rifampicinResistant to isoniazid and sensitive to rifampicinMultidrug resistant
Total nIn cluster n (% of total)Total nIn cluster n (% of total)Total nIn cluster n (% of total)
Norway37263 (17)63 (50)20 (0)
Europe5814 (24)20 (0)11 (100)
Asia1446 (4)141 (7)11 (100)
Africa12125 (21)2212 (55)66 (100)
Total703#108 (15)4416 (36)108 (80)
  • Only patients with strains with five or more IS6110 copies in restriction fragment length polymorphism analysis are included

  • #: including six cases from the Americas and two with unknown foreign place of birth