Table 2. P50 parameters between the controls and patients with schizophrenia.
| P50 parameters | Control | Schizophrenia | TestStatisticsa | P-valueb |
| Mean(SD) | Mean(SD) | |||
| S1 latency (msec) | 60.62(7.06) | 60.94(8.74) | −0.26 | 0.793 |
| S1 (µV) | 2.29(0.87) | 2.38(1.17) | −0.59 | 0.557 |
| S2 (µV) | 0.79(0.65) | 1.10(0.93) | −2.64 | 0.009 |
| S2/S1 ratio | 0.37(0.37) | 0.52(0.46) | −2.25 | 0.026 |
| S1–S2 (µV) | 1.50(0.98) | 1.28(1.17) | 1.33 | 0.185 |
SD: standard deviation.
a
The test statistics were obtained by independent t tests.
b
P-values were 2-sided.