Demographic details and praxis performance of the participants
| Chronic ABI participants | Hospital patients | Controls | ||||||
| Inter-rater reliability | Construct validity | Initial assessment | Initial profile of subgroup of patients who were followed-up | Subgroup at follow-up assessment | Conventional assessment | Praxis screen | ||
| N | 8 | 18 | 635 | 253 | 253 | 14 | 100 | |
| Characteristics | ||||||||
| Age (years) (mean±SD) | 62.8±14.3 | 66.8±17.2 | 70.3±13.9 | 69.5±13.2 | 70.2±13.4 | 65.3±12.5 | 70.6±10.5 | |
| Education (years) (mean±SD) | 12.1±4.0 | 11.9±3.8 | 11.1±2.8 | 11.3±2.9 | 11.2±2.9 | 12.5±4.01 | 11.6±2.5 | |
| Gender (M:F) | 6:2 | 13:5 | 351:284 | 145:108 | 145:108 | 7:7 | 46:54 | |
| Months post ABI (range) | 88.4±37.2 | 43.6±64.1 | 0.8±0.7 | 0.9±0.7 | 10.2±1.1 | – | – | |
| BCoS apraxia tests | Max | |||||||
| MOT | 12 | 8.8±4.6 | 9.0±3.8 | 9.9±3.6 | 10.0±3.3 | 11.0±2.6 | – | 11.5±0.8 |
| Pantomime | 12 | 9.6±3.1 | 9.7±2.7 | 10.2±2.9 | 10.4±2.8 | 10.8±2.0 | – | 11.4±0.9 |
| Gesture recognition | 6 | 4.5±0.93 | 4.4±1.2 | 4.9±1.3 | 5.1±1.2 | 5.2±1.1 | – | 5.6±0.7 |
| Imitation | 12 | 6.0±4.1 | 7.0±3.3 | 9.2±3.0 | 9.2±2.9 | 10.2±2.1 | – | 11.0±1.1 |
| Conventional praxis tests | ||||||||
| SOT | 40 | – | 34.2±5.9 | – | – | – | 37.8±1.9 | – |
| FAST | 64 | – | 40.1±15.1 | – | – | – | 51.2±5.5 | – |
| Gesture decision | 24 | – | 21.4±2.9 | – | – | – | 23.8±0.4 | – |
| Gesture naming | 24 | – | 15.8±7.0 | – | – | – | 20.9±1.7 | – |
| Movement imitation test | 72 | – | 43.9±17.3 | – | – | – | 69.3±2.4 | – |
ABI, acquired brain injuries; BCoS, Birmingham Cognitive Screen; FAST, Florida Apraxia Screening test; MOT, Multistep Object Use test; SOT, Single Object Use test.