Table 4.
Mean scores on the Three Ratings of Involuntary Admissibility (TRIAD) scale and the Indicators of Mental Disorder Scale (IMDS) of patients referred to psychiatric emergency services by police and patients not referred by police who were subsequently retained
| Scale and subscale | Police referred | Others | t | df | p≤ |
|---|---|---|---|---|---|
| TRIAD | |||||
| Overall perceived dangerousness1 | 3.57 | 3.32 | 2.35 | 489 | .019 |
| Danger to self2 | 1.22 | 1.38 | 1.23 | 489 | .218 |
| Danger to others2 | 1.85 | 1.53 | 1.90 | 489 | .058 |
| Grave disability3 | 1.63 | 1.19 | 3.15 | 489 | .002 |
| IMDS4 | |||||
| Thought form | .80 | .62 | 2.15 | 428 | .032 |
| Thought content | .86 | .63 | 3.05 | 428 | .002 |
| Perception | .39 | .46 | .96 | 428 | .338 |
| Orientation | .30 | .29 | .14 | 428 | .890 |
| Memory | .37 | .29 | 1.13 | 428 | .261 |
| Judgment | .97 | .74 | 3.19 | 428 | .002 |
| Behavior | .79 | .59 | 2.71 | 428 | .007 |
| Depression | .47 | .62 | 2.17 | 428 | .031 |
| Anxiety | .35 | .42 | 1.18 | 428 | .240 |
| Irritability | .75 | .48 | 3.84 | 428 | .000 |
| Expansiveness | .30 | .14 | 2.58 | 428 | .011 |
| Impulsivity | 1.13 | .90 | 2.93 | 392 | .004 |
| Affect | .41 | .26 | 2.07 | 393 | .041 |
1
Scores range from l, low, to 4, high.
2
Scores range from 0, not dangerous, to 4, clearly dangerous.
3
Scores range from 0 to 3.
4
For manifestations of mental disorder in the dimension specified, scores range from 0, none or mild, to 2, severe. IMDS scores were not obtained in all cases (N =df+2).