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 1: Clinical characteristics of patients with SPMS
Nonimpaired (n = 20) Cognitively Impaired (n = 25) P Value
Age (y) 54.5 (49.3–62.3) 55.0 (47.5–61.5) .954^{^a}
Sex (F/M) 11/9 16/9 .540^{^b}
Education level (yr) 15.5 (13.0–17.8) 14.0 (13.0–17.0) .619^{^a}
Disease duration (yr) 18.5 (10.5–20.8) 19.0 (12.0–28.5) .192^{^a}
EDSS (score) 6.0 (6.0–6.5) 6.5 (6.0–6.5) .249^{^a}
BDI (score) 6.5 (5.0–11.75) 9.0 (7.5–13.5) .067^{^a}
Note:—BDI indicates Beck Depression Inventory; EDSS, Expanded Disability Status Scale.
↵a Wilcoxon rank sum test (median [interquartile range]).
↵b Pearson χ² test.

	Nonimpaired (n = 20)	Cognitively Impaired (n = 25)	P Value
Age (y)	54.5 (49.3–62.3)	55.0 (47.5–61.5)	.954^{^a}
Sex (F/M)	11/9	16/9	.540^{^b}
Education level (yr)	15.5 (13.0–17.8)	14.0 (13.0–17.0)	.619^{^a}
Disease duration (yr)	18.5 (10.5–20.8)	19.0 (12.0–28.5)	.192^{^a}
EDSS (score)	6.0 (6.0–6.5)	6.5 (6.0–6.5)	.249^{^a}
BDI (score)	6.5 (5.0–11.75)	9.0 (7.5–13.5)	.067^{^a}