Table 2

Summary statistics for IFN-γ levels in 15 laboratory and 6 ward HCWs who showed transient conversions of the QuantiFERON-TB Gold In-Tube test between 11 May and 30 June 2010a

Test seriesNo. of samplesIFN-γ level (IU/ml)
Mean95% CI lower limit95% CI upper limitSDMedianMinimumMaximum
Laboratory HCWs
Hospital ward HCWs
  • a For an explanation of test series A, B, C, and D, see the Fig. 2 legend.