Table 2.

The area under the ROC curve for all lesions and in subgroups based on the lesion SUVmax and size

Group	Reader	PET/Dixon	PET/ZTE	p value
All lung lesions	1	0.829 (0.774–0.876)	0.924 (0.881–0.955)	0.0016*
	2	0.821 (0.765–0.869)	0.943 (0.904–0.969)	0.0001*
SUVmax < 1	1	0.530 (0.435–0.623)	0.784 (0.698–0.854)	0.0912
	2	0.561 (0.466–0.652)	0.892 (0.821–0.942)	0.0004 *
SUVmax 1–3	1	0.910 (0.823–0.963)	0.952 (0.878–0.988)	0.0132
	2	0.869 (0.773–0.935)	0.937 (0.859–0.980)	0.1033
SUVmax ≥ 3	1	0.866 (0.699–0.960)	0.881 (0.717–0.968)	0.1936
	2	0.771 (0.588–0.900)	0.887 (0.726–0.971)	0.0261
Size < 4 mm	1	0.586 (0.477–0.689)	0.879 (0.792–0.938)	0.0012 *
	2	0.628 (0.519–0.728)	0.950 (0.883–0.985)	0.0006 *
Size 4–6 mm	1	0.887 (0.784–0.952)	0.911 (0.814–0.967)	0.0738
	2	0.872 (0.766–0.942)	0.914 (0.818–0.969)	0.0234
Size 6–8 mm	1	0.915 (0.761–0.984)	0.947 (0.806–0.995)	0.1492
	2	0.891 (0.730–0.973)	0.998 (0.887–1.000)	0.0230
Size ≥ 8 mm	1	0.963 (0.852–0.997)	0.981 (0.880–1.000)	0.1586
	2	0.884 (0.745–0.963)	0.918 (0.789–0.980)	0.3160

*Statistically significant difference

Numbers in parentheses are 95% confidence intervals