Table 2.
Summarised data on the confounding variables analysis between suicide victims (n = 27) and control subjects (n = 30)
| Sex | Age (year) | PMI (h) | BAC (g/l) | |
|---|---|---|---|---|
| Intergroup comparisons | ||||
| Suicide victims: ratio/median (q, q3) | 23 m/4f | 43 (28, 53) | 24 (24, 48) | 0.0 (0.0, 2.1) |
| Controls: ratio/median (q1, q3) | 11 m/19f | 48 (39, 61) | 24 (24, 48) | 0.0 (0.0, 0.0) |
| Statistics (suicide victims versus Controls) | ||||
| Test | χ 2 test | U | U | U |
| Characteristic value | χ 2 = 13.90 | Z = 1.886 | Z = − 0.280 | Z = 1.846 |
| P value | 0.0002 | 0.059 | 0.780 | 0.065 |
| AgNOR parameters | Group | Age | PMI | BAC | |
|---|---|---|---|---|---|
| Correlation analysis between numerical confounding variables listed above and AgNOR parameters revealing significant intergroup differences | |||||
| AgNOR area | S | r/P | 0.16/0.42 | −0.05/0.80 | 0.06/0.77 |
| C | r/P | 0.11/0.57 | −0.20/0.28 | 0.18/0.33 | |
| Relative AgNOR area | S | r/P | −0.14/0.47 | 0.08/0.70 | 0.28/0.16 |
| C | r/P | 0.09/0.62 | −0.04/0.85 | −0.01/0.97 | |
f female, m male, q1 and q3 quartile 1 and 3, PMI post-mortem interval, BAC blood alcohol concentration, S suicide victims, C controls, r correlation coefficient and P P value of the Spearman’s correlation, PMI post-mortem interval, BAC blood alcohol concentration