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
                )

        )

)
1nareshArray
(
    [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: Qualitative analysis of overall quality and gray-white matter differentiation in 80-kVp and 70-kVp whole-brain CTP^{^a}
70 kVp 80 kVp P Value
Overall quality 
    CBF 2.95 ± 0.167 2.81 ± 2.84 .0459
    CBV 2.95 ± 0.167 2.76 ± 0.305 .0173
    TT 2.89 ± 0.224 2.69 ± 0.276 .0113
GM-WM differentiation 
    CBF 2.91 ± 0.187 2.83 ± 0.314 .5598
    CBV 2.93 ± 0.178 2.70 ± 0.347 .0278
    TT 2.86 ± 0.231 2.69 ± 0.276 .0630
Note:—TT indicates transit time.
↵a Data are presented as means and SD.

	70 kVp	80 kVp	P Value
Overall quality
CBF	2.95 ± 0.167	2.81 ± 2.84	.0459
CBV	2.95 ± 0.167	2.76 ± 0.305	.0173
TT	2.89 ± 0.224	2.69 ± 0.276	.0113
GM-WM differentiation
CBF	2.91 ± 0.187	2.83 ± 0.314	.5598
CBV	2.93 ± 0.178	2.70 ± 0.347	.0278
TT	2.86 ± 0.231	2.69 ± 0.276	.0630