Table 1.
Means and standard deviations of histogram data per group.
| HC |
NTR |
TRS |
||||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | χ2(2) | P | |
| Mean | 24.19 | 0.98 | 23.33 | 1.30 | 23.31 | 1.24 | 7.61 | 0.022 |
| Variance | 24.02 | 4.57 | 28.93 | 4.71 | 27.90 | 5.00 | 13.49 | 0.001 |
| Mode (peak position) | 27.46 | 1.18 | 27.15 | 1.39 | 26.89 | 1.33 | 2.23 | > 0.05 |
| Mode frequency (peak height) | 0.17 | 0.04 | 0.14 | 0.03 | 0.14 | 0.03 | 6.98 | 0.031 |
HC: healthy controls. NTR: non-treatment resistant schizophrenia. TRS: treatment resistant schizophrenia. χ2: Kruskall-Wallis Chi squared test statistic.