Skip to main content

Table 4 Comparison of the P300 variables, at first presentation and after 1 year among first-episode psychosis diagnostic groups

From: P300 cognitive assessment in patients with first-episode psychosis: a prospective case-control study

P300 Variables

SSD

BP

MDD

First presentation

After 1 year

First presentation

After 1 year

First presentation

After 1 year

Mean

±SD

Mean

±SD

Mean

±SD

Mean

±SD

Mean

±SD

Mean

±SD

P300 amplitude

6.32

±2.61

12.53*

3.77

8.97

±3.36

12.72*

3.65

12.59

±5.41

17.04*

3.89

P300 latency

367.7

±22.4

475.7

±53.5

343.1

±22.2

355.2

±37.3

340.9

±22.54

354.8

28.92

  1. *P < 0.05