Variable

Serum zinc

r

P value

Bilirubin

−0.149

0.277

Albumin

0.402

0.002^**

Prothrombin time

−0.182

0.184

Serial dotting test

−0.252

0.180

Line tracing test

−0.174

0.358

errors

0.182

0.334

P300 latency

−0.523^♦

0.003^**