Table 3

Main findings obtained stratifying tuberculosis (TB) cases by country of birth in Italy

No history of previous treatmentHistory of previous treatment
First survey 1998/1999Second survey 2000First survey 1998/1999Second survey 2000
n (%)#N (%)p‐valueRR95% CIn (%)#n (%)p‐valueRR95% CIn (%)#N (%)p‐valueRR95% CIn (%)#n (%)p‐valueRR95% CI
Total tested20747626542318974167
(100)(100)(100)(100)(100)(100)(100)(100)
Mono INH1370.00142.221.58–3,131040.011.891.34–2.6717ns0.790.12–5.1833ns1.340.58–3.11
(6.3)(0.2)(3.8)(0.9)(5.6)(7.2)(7.3)(4.5)
Any INH16150.011.761.23–2.5325190.011.521.16–2.011043ns1.460.62–3.441524ns1.020.62–1.68
resistance(0.1)(3.2)(9.4)(4.5)(55.6)(44.3)(36.6)(35.8)
Any INH15100.0012.061.46–2.8923130.0011.711.31–2.2319ns0.620.09–4.1767ns1.250.66–2.38
resistance(0.1)(2.1)(8.7)(3.1)(5.6)(9.3)(14.6)(10.5)
(not RMP)
  • RR: relative risk

  • CI: confidence interval

  • INH: isoniazid

  • RMP: rifampicin

  • #: immigrants

  • : Italians