Table 6 P300 latency and amplitude among BD, SZ and control groups

P300 latency, ms

 • Fz

301.2 ± 30.5

318.3 ± 37.6

313.22 ± 24.9

0.099

 P value

(1 vs 2) 0.058

(2 vs 3) 0.62

(1 vs 3) 0.077

 • Cz

298.1 ± 27.4

314.3 ± 38.1

308.2 ± 25.9

0.19

 P value

(1 vs 2) 0.065

(2 vs 3) 0.56

(1 vs 3) 0.15

 • Pz

299.6 ± 28.2

320 ± 38.5

310.2 ± 25.9

0.09

 P value

(1 vs 2) 0.024

(2 vs 3) 0.35

(1 vs 3) 0.12

P300 amplitude, mv

 • Fz

9.98 ± 4.3

12.68 ± 7.7

13.20 ± 8.2

0.51

 P value

(1 vs 2) 0.34

(2 vs 3) 0.81

(1 vs 3) 0.31

 • Cz

9.73 ± 4.9

12.55 ± 7.6

12.44 ± 7.5

0.36

 P value

(1 vs 2) 0.15

(2 vs 3) 0.89

(1 vs 3) 0.33

 • Pz

9.91 ± 5.0

12.65 ± 7.4

12.78 ± 7.9

0.20

 P value

(1 vs 2) 0.22

(2 vs 3) 0.99

(1 vs 3) 0.24