Table 6. ROC curves features of the 14 markers increased in active TB.

	ROC curve of non TB vs Active TB (Ag-Nil)
	Area under the ROC curve	Std. Error	95% confidence interval	p value	cutoff	Sensitivity%	95% CI	Specificity%	95% CI	Likelihood ratio
IL2	0.7778	0.09485	0.5918 to 0.9637	0.02539	> 42.13	81.48	61.92% to 93.70%	95	75.13% to 99.87%	16.3
IP10	0.7942	0.07397	0.6492 to 0.9393	0.000704	> 6557	80.77	60.65% to 93.45%	85	62.11% to 96.79%	5.385
IFN-γ	0.8269	0.06213	0.7051 to 0.9487	0.000148	> 57.38	70.37	49.82% to 86.25%	90	68.30% to 98.77%	7.037
MIG	0.8944	0.07156	0.7542 to 1.035	0.000669	> 6.456	94.44	72.71% to 99.86%	90	55.50% to 99.75%	9.444
SCF	0.9353	0.05365	0.8301 to 1.040	0.000205	> 39.37	94.12	71.31% to 99.85%	90	55.50% to 99.75%	9.412
b-NGF	0.8765	0.06869	0.7418 to 1.011	0.00132	> 1.965	70.59	44.04% to 89.69%	90	55.50% to 99.75%	7.059
IL12-p40	0.8944	0.06315	0.7706 to 1.018	0.000669	> 86.37	83.33	58.58% to 96.42%	90	55.50% to 99.75%	8.333
TRAIL	0.9028	0.06148	0.7823 to 1.023	0.000513	> 34.01	83.33	58.58% to 96.42%	90	55.50% to 99.75%	8.333
IL2 Ra	0.8333	0.08273	0.6711 to 0.9955	0.005499	> 21.69	55.56	30.76% to 78.47%	88.89	51.75% to 99.72%	5
MIF	0.8706	0.06827	0.7367 to 1.004	0.00157	< 110.1	76.47	50.10% to 93.19%	90	55.50% to 99.75%	7.647
TNF-β	0.8667	0.06776	0.7338 to 0.9995	0.001563	> 5.405	72.22	46.52% to 90.31%	90	55.50% to 99.75%	7.222
IL3	0.8	0.08311	0.6371 to 0.9629	0.009651	> 155.0	66.67	40.99% to 86.66%	90	55.50% to 99.75%	6.667
IFN-α	0.8667	0.0723	0.7249 to 1.008	0.001563	> 13.35	83.33	58.58% to 96.42%	90	55.50% to 99.75%	8.333
LIF	0.7778	0.08809	0.6051 to 0.9505	0.01655	> 25.70	66.67	40.99% to 86.66%	90	55.50% to 99.75%	6.667