Table 4—

Odds ratio for a positive tuberculin skin test result with a cut-off of 5 mm in close and of 10 mm in occasional contacts

Risk factorOdds ratio95% CIp-value
Stratification (close versus occasional contacts)25.92.8–238.10.004
Age yrs0.990.95–1.10.89#
Origin (East/West Germany)0.980.4–2.40.96#
BCG vaccination3.50.98–12.80.054#
  • CI: confidence interval; BCG: bacille Calmette–Guérin. #: nonsignificant.