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
                )

        )

)
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: 
Demographic data
RespondersNonrespondersP Value
Age (mean) (yr)61.5 (11.4)59.3 (8.4).65a
Sex (No.) (%).34b
    Male21 (36)1 (17)
    Female37 (64)5 (83)
Presenting symptoms (No.) (%).58b
    Radiculopathy27 (47)2 (33)
    Axial back pain4 (6)0 (0)
    Both27 (47)4 (67)
  • ↵a P value based on the 2-sample t test of the difference between means.
  • ↵b P value based on a χ2 test of the difference in proportions.