Table 3 Clinical and microbiological characteristics of paediatric tuberculosis cases in England and Wales, 1999–2006
Characteristicn (%)
Site of diseasePulmonary*2120 (60)
Extra-pulmonary1358 (38)
Unknown85 (2)
Diagnostic delay (days)Median (IQR)37 (13–89)
Culture confirmedYes948 (27)
No2615 (73)
Unknown
Species Mycobacterium 897 (25)
tuberculosis
M bovis 3 (0.1)
M africanum 8 (0.2)
Unknown2669 (74)
Drug susceptibility
    IsoniazidResistant78 (9.3)
Sensitive759 (90.7)
    RifampicinResistant20 (2.4)
Sensitive817 (97.6)
    EthambutolResistant7 (0.8)
Sensitive830 (99.2)
    PyrazinamideResistant5 (0.6)
Sensitive830 (99.4)
    Multi-drug resistantResistant19 (2.3)
Sensitive818 (97.7)
  • *Includes patients with pulmonary and extra-pulmonary disease.

  • IQR, interquartile range.