Table 1.
Demographic and clinical characteristics of control subjects and schizophrenia patients.
| Characteristics | Control | Schizophrenia | Statistic | p-Value |
|---|---|---|---|---|
| Subjects (total number) | 20 | 20 | − | − |
| Gender (M/F) | 16/4 | 12/8 | χ2 = 1.071 (df = 1) | 0.301 a |
| Age (years, median [IQR]) | 73.50 [66.00–80.25] | 52.50 [39.50–61.25] | t = 4.819 (df = 38) | <0.001 b |
| PMI (hours, median [IQR]) | 12.90 [11.80–16.32] | 15.25 [12.52–24.58] | t = −2.426 (df = 38) | 0.020 c |
| pH (median, [IQR]) | 6.54 [6.49–6.63] | 6.50 [6.42–6.56] | t = 0.708 (df = 26) | 0.485 c |
| RIN (median, [IQR]) | 6.05 [5.50–7.12] | 6.75 [6.05–7.08] | t = −0.036 (df = 38) | 0.971 b |
Abbreviations: M/F: number of males/females; PMI: post-mortem interval; RIN: RNA integrity number; IQR: Interquartile Range (i.e., first-third quartiles); df: degrees of freedom. a p-value from Chi-Square test (with Yates’s correction); b p-value from two sample t-test; c p-value from two sample t-test on log transformed values.