Array ( [urn:ac.highwire.org:guest:identity] => Array ( [runtime-id] => urn:ac.highwire.org:guest:identity [type] => guest [service-id] => ajnr-ac.highwire.org [access-type] => Controlled [privilege] => Array ( [urn:ac.highwire.org:guest:privilege] => Array ( [runtime-id] => urn:ac.highwire.org:guest:privilege [type] => privilege-set [privilege-set] => GUEST ) ) [credentials] => Array ( [method] => guest ) ) ) 1naresh

Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)

Table 3: Threshold analysis
HU Value Basal Values After Contrast Medium Values
Sensitivity Specificity +LR −LR Sensitivity Specificity +LR −LR
<0 0.00 100.00 NC 1.00 0.00 100.00 NC 1.00
≤2 55.93 96.36 15.38 0.46 35.59 100.00 NC 0.64
≤4 67.80 93.64 10.65 0.34 45.76 99.09 50.34 0.55
≤8 69.49 90.00 6.95 0.34 67.80 99.09 74.58 0.32
≤12 71.19 90.00 7.12 0.32 67.80 96.36 18.64 0.33
≤16 77.97 86.36 5.72 0.26 74.58 95.45 16.41 0.27
≤20 84.75 84.55 5.48 0.18 76.27 95.45 16.78 0.25
≤22 88.14 83.64 5.39 0.14 81.36 93.64 12.78 0.20
≤25 94.92 83.64 5.80 0.061 93.22 92.73 12.82 0.073
≤30 100.00 80.91 5.24 0.00 100.00 92.73 13.75 0.00
≤120 100.00 0.00 1.00 NC 100.00 0.00 1.00 NC
Note:—+LR indicates positive likelihood ratio; −LR, negative likelihood ratio; NC, not classifiable.

HU Value	Basal Values				After Contrast Medium Values
HU Value	Sensitivity	Specificity	+LR	−LR	Sensitivity	Specificity	+LR	−LR
<0	0.00	100.00	NC	1.00	0.00	100.00	NC	1.00
≤2	55.93	96.36	15.38	0.46	35.59	100.00	NC	0.64
≤4	67.80	93.64	10.65	0.34	45.76	99.09	50.34	0.55
≤8	69.49	90.00	6.95	0.34	67.80	99.09	74.58	0.32
≤12	71.19	90.00	7.12	0.32	67.80	96.36	18.64	0.33
≤16	77.97	86.36	5.72	0.26	74.58	95.45	16.41	0.27
≤20	84.75	84.55	5.48	0.18	76.27	95.45	16.78	0.25
≤22	88.14	83.64	5.39	0.14	81.36	93.64	12.78	0.20
≤25	94.92	83.64	5.80	0.061	93.22	92.73	12.82	0.073
≤30	100.00	80.91	5.24	0.00	100.00	92.73	13.75	0.00
≤120	100.00	0.00	1.00	NC	100.00	0.00	1.00	NC