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 4: CTDI_vol and DLP/ED values for whole-brain CTP examinations at 80 kVp and 70 kVp with different scanners
70 kVp 80 kVp Percentage Reduction
100% − (70 kVp/80 kVp) × 100
CTDI_vol (mGy) 105 192 45.31
DLP (mGy·cm) 1588 1831 13.27
ED (mSv) 3.65 4.21 13.27
Note:—ED indicates effective dose.
	70 kVp	80 kVp	Percentage Reduction
	70 kVp	80 kVp	100% − (70 kVp/80 kVp) × 100
CTDI_vol (mGy)	105	192	45.31
DLP (mGy·cm)	1588	1831	13.27
ED (mSv)	3.65	4.21	13.27