Table 1.

Results of QuantiFERON-TB Gold In-Tube (TB), QuantiFERON-TB Gold-Plus TB1 (TB1), and QuantiFERON-TB Gold-Plus TB2 (TB2) minus Nil values in the first and second assessments

	First assessment		Second assessment		P*
	Median	Interquartile range	Median	Interquartile range
TB	0.111	0.072–0.884	0.110	0.060–0.779	0.064
TB1	0.011	−0.010–0.286	0.106	0.068–0.477	0.192
TB2	0.029	−0.010–0.700	0.128	0.063–0.863	0.032

^*P was determined by the Wilcoxon signed rank test.

Abbreviations: TB, TB minus Nil; TB1, TB1 minus Nil; TB2, TB2 minus Nil.