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Table 5 Cambridge Neurological Inventory (CNI)a subscale sum scores (N = 893-942)

From: The cross-sectional GRAS sample: A comprehensive phenotypical data collection of schizophrenic patients

 

total

men

women

statistics

sub scales

Mean (sd)

Median (range)

Mean (sd)

Median (range)

Mean (sd)

Median (range)

Z

p

Hard neurological signs

        

plantar reflexes (le/ri*), power in upper and lower limb (le/ri), and reflexes (hyper- and hyporeflexia) in upper and lower limb (le/ri)

1.12 (1.70)

0.0 (0 - 10)

1.07 (1.66)

0.0 (0-8)

1.22 (1.78)

0.0 (0-10)

-1.467

n.s

Motor coordination

        

finger-nose test (le/ri), finger-thumb tapping (le/ri), finger-thumb opposition (le/ri), pronation-supination (le/ri); fist-edge-palm test (le/ri), Oseretsky test

4.11 (4.27)

3.0 (0-20)

3.95 (4.17)

2.0 (0-20)

4.44 (4.45)

3.0 (0-20)

-1.629

n.s

Sensory integration

        

extinction, finger agnosia (le/ri), stereoagnosia (le/ri), agraphesthesia (le/ri), left-right disorientation

3.66 (3.32)

3.0 (0-15)

3.63 (3.32)

3.0 (0-15)

3.73 (3.31)

3.0 (0-14)

-0.521

n.s

Primitive reflexes

        

snout reflex, grasp reflex, palmo-mental reflex (le/ri)

0.84 (1.14)

0.0 (0-5)

0.80 (1.11)

0.0 (0-5)

0.91 (1.19)

0.0 (0-5)

-1.363

n.s

Tardive dyskinesia

        

dyskinetic, sustained or manneristic face and head movement, simple or complex abnormal posture, dyskinetic, dystonic or manneristic trunk/limb movement

0.55 (1.17)

0.0 (0-9)

0.58 (1.25)

0.0 (0-9)

0.49 (0.98)

0.0 (0-7)

-0.132

n.s

Catatonic signs

        

gait mannerism, gegenhalten, mitgehen, imposed posture, exaggerated or iterative movement, automatic obedience, echopraxia

0.43 (0.96)

0.0 (0-8)

0.45 (0.98)

0.0 (0-8)

0.38 (0.91)

0.0 (0-7)

-1.717

n.s

Parkinsonism

        

increased tone in upper and lower limb (le/ri), decreased associated movements in walking, shuffling gait, arm dropping, tremor postural or resting, rigidity in neck

1.76 (2.90)

0.0 (0-15)

1.70 (2.85)

0.0 (0-15)

1.89 (3.02)

0.5 (0-15)

-1.172

n.s

Failure to suppress inappropriate response

        

blinking or head movement in saccadic eye movement, winking with one eye

1.23 (1.49)

1.0 (0-6)

1.12 (1.42)

1.0 (0-6)

1.48 (1.62)

1.0 (0-6)

-3.175

.001*

  1. *le/ri - left and right
  2. aChen EY, Shapleske J, Luque R, McKenna PJ, Hodges JR, Calloway SP, Hymas NF, Dening TR, Berrios GE: The Cambridge Neurological Inventory: a clinical instrument for assessment of soft neurological signs in psychiatric patients. Psychiatry Res 1995, 56(2):183-204.