TABLE 2.
Comparison of the prevalence of repetitive behaviors between patients with behavioral variant frontotemporal dementia (bvFTD) and a historical cohort of patients with obsessive-compulsive disorder (OCD)
| Early Perseverative, Stereotyped, or Compulsive/Ritualistic Behavior |
bvFTD (Total N=59) |
OCD | ||
|---|---|---|---|---|
| N | % | (N=560) %a | pb | |
| Criterion | ||||
| D.1 Simple repetitive movements | 11 | 18.6 | – | <0.01 |
| Pacing, tapping, or picking | ||||
| Other repetitive motor stereotypies | 9 | 15.2 | – | <0.01 |
| D.2 Complex, compulsive, or ritualistic behaviors | ||||
| Hoarding or collecting | 10 | 16.9 | 18 | n.s. |
| Excessive, unnecessary trips to the bathroom | 8 | 13.5 | – | <0.01 |
| Checking | 7 | 11.8 | 63 | <0.01 |
| Cleaning and washing | 7 | 11.8 | 50 | <0.01 |
| Eating the same food over and over | 5 | 8.4 | – | <0.01 |
| Touching | 4 | 6.7 | – | <0.01 |
| Multiple phone calls | 4 | 6.7 | – | <0.01 |
| Ordering, arranging, and symmetry | 3 | 5 | 28 | <0.01 |
| Watching the same television show | 2 | 3.3 | – | <0.01 |
| Self-harm behavior | 1 | 1.6 | – | <0.01 |
| Counting | 1 | 1.6 | 36 | <0.01 |
| D.3 Stereotypy of speech | ||||
| Palilalia, echolalia, verbalizations, and clanging | 21 | 35.5 | – | <0.01 |