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
                )

        )

)

Study characteristics and technical factors^{^a}
Attribute MD FA
Average no. of patients per tumor grade category 15.3 ± 12.0 13.4 ± 8.6
Average age of patients (yr) 49.3 ± 8.6 50.0 ± 7.6
Prospective design 79.1 % 69.4 %
Studies at 3T 34.5 % 41.7 %
Average maximum diffusion b-value 1103 ± 454 1111 ± 448
Average no. of noncollinear directions – 21 ± 31
Note:— indicates not calculated.
↵a SDs are reported for average values.

Attribute	MD	FA
Average no. of patients per tumor grade category	15.3 ± 12.0	13.4 ± 8.6
Average age of patients (yr)	49.3 ± 8.6	50.0 ± 7.6
Prospective design	79.1 %	69.4 %
Studies at 3T	34.5 %	41.7 %
Average maximum diffusion b-value	1103 ± 454	1111 ± 448
Average no. of noncollinear directions	–	21 ± 31