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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 VariablesSSDBPMDD
First presentationAfter 1 yearFirst presentationAfter 1 yearFirst presentationAfter 1 year
Mean±SDMean±SDMean±SDMean±SDMean±SDMean±SD
P300 amplitude6.32±2.6112.53*3.778.97±3.3612.72*3.6512.59±5.4117.04*3.89
P300 latency367.7±22.4475.7±53.5343.1±22.2355.2±37.3340.9±22.54354.828.92
  1. *P < 0.05