Table 7 Correlation results of PANNS scores and basic cognitive measures

TMT_A (s)^a

Correlation coefficient

0.561

− 0.416

0.686

0.449

p value

0.001

0.022

 < 0.001

0.013

n

30

30

30

30

Digit symbol

Correlation coefficient

– 0.515

0.316

– 0.758

– 0.248

p value

0.004

0.089

 < 0.001

0.186

n

30

30

30

30

DF^b

Correlation coefficient

0.043

– 0.002

0.102

0.012

p value

0.823

0.992

0.591

0.949

n

30

30

30

30

DB^c

Correlation coefficient

– 0.045

0.230

– 0.030

– 0.062

p value

0.811

0.221

0.876

0.746

n

30

30

30

30

Pair associate

Correlation coefficient

− 0.407

− 0.151

− 0.305

− 0.211

p value

0.026

0.426

0.101

0.262

n

30

30

30

30