Review Article
Epidemiology of Dissociative Disorders: An Overview
Table 1
Dissociative disorder prevalence studies in the general psychiatric settings (DDIS: dissociative disorders interview schedule, SCID-D: structured clinical interview for dissociative disorders).
| Study |
Inclusion rate |
Number of subjects approached |
Diagnostic instrument |
Cutoff on DES |
Dissociative Identity disorder |
All dissociative disorders | DES Score |
Mean | SD | >DES(b) |
| Inpatient unit | | | | | | | | | | Tutkun et al. [25] | 63.6% | 166 | DDIS | 30 | 5.4%(a) | 10.2%(a) | 17.8 | 14.9 | 14.5% | Modestin et al. [27] | — | 207 | DDIS | — | 0.4% | 5.0% | 13.7 | 13.5 | 12.0% | Gast et al. [33] | — | 115 | SCID-D | 20 | 0.9% | 4.3% | — | — | 21.7% | Friedl and Draijer [26] | 50.4% | 122 | SCID-D | 25 | 2.0% | 8.0% | 20.0 | 18.1 | 29.5% | Ginzburg et al. [34] | 84.0% | 120 | SCID-D | — | 0.8% | 12.0% | 20.9 | 18.7 | — | Saxe et al. [23] | 64.0% | 172 | DDIS | 25 | 4.0% | 13.0% | — | — | 15.0% | Ross et al. [22] | 61.8% | 484 | DDIS | 20 | 5.4% | 20.7% | 14.6 | 14.2 | 30.1% | Lipsanen et al. [28] | — | 39 | DDIS | — | — | 21.0% | — | — | — | Ross et al. [31] | 51.6% | 407 | DDIS | — | 7.5% | 40.8% | — | — | — | Outpatient Unit | | | | | | | | | | Sar et al. [24] | 81.5% | 150 | DDIS | 30 | 2.0%(a) | 12.0%(a) | 15.3 | 14.0 | 15.3% | Sar et al. [8] | 79.5% | 240 | SCID-D | 25 | 2.5% | 13.8% | 20.0 | 18.9 | 27.9% | Foote et al. [32] | — | 82 | DDIS | — | 6.0% | 29.0% | — | — | — | Lipsanen et al. [28] | — | 39 | DDIS | — | — | 14.0% | — | — | — | Emergency Ward | | | | | | | | | | Sar et al. [29] | 44.3% | 43 | SCID-D | 25 | 14.0% | 34.9% | 23.4 | 19.3 | 39.5% |
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(a)Clinically confirmed diagnosis, (b)Percentage of patients with a dissociative experiences scale (DES) score above cutoff point.
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