Table 2.
Non-parametrical analyses between faster older adults (OG/RT+) and slower older adults (OG/RT−) on the object naming task on inclusion criteria, cognitive scores and object naming performance.
| OG/RT+ N = 7 |
OG/RT− N = 7 |
Mann-Whitney test | |||||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Z | p | ||
| Age | 70.71 | 9.14 | 71.71 | 4.46 | −0.384 | 0.710 | |
| Inclusion criteria | Socio-cultural | 3.85 | 0.37 | 3.85 | 0.37 | 0.00 | 1.00 |
| Laterality | 90.42 | 9.88 | 89.57 | 14.39 | −0.332 | 0.805 | |
| MMSE | 28.71 | 1.60 | 29.42 | 0.53 | −0.556 | 0.620 | |
| HAD_A | 5.71 | 1.70 | 6.71 | 2.21 | −1.110 | 0.318 | |
| HAD_D | 3.42 | 2.82 | 4.42 | 2.99 | −0.642 | 0.535 | |
| Dubois | 9.85 | 0.37 | 10.00 | 0.00 | −1.00 | 0.710 | |
| Naming | RTs | 830.52 | 53.02 | 1004.61 | 68.57 | −3.130 | 0.001 |
| %CR | 98.86 | 1.46 | 98.71 | 1.38 | −0.335 | 0.805 | |
| Perceptuo-motor | TMT-A | 42.00 | 14.25 | 52.28 | 7.56 | −1.599 | 0.128 |
| Executive | [TMT-B] minus [TMT-A] | 57.00 | 25.31 | 52.00 | 11.71 | −0.576 | 0.620 |
| Verbal fluency | 21.28 | 8.03 | 19.00 | 5.50 | −0.388 | 0.710 | |
| Language | Verbal automatisms | 35.14 | 2.03 | 34.42 | 1.98 | −0.581 | 0.620 |
| Mill-Hill | 40.00 | 2.51 | 10.14 | 1.67 | −0.258 | 0.805 | |
| Memory | Forward digit span | 8.71 | 2.21 | 8.71 | 2.28 | 0.000 | 1.000 |
| Backward digit span | 8.57 | 3.45 | 9.00 | 2.08 | −1.121 | 0.318 | |
| MacNair | 13.85 | 5.04 | 15.85 | 6.89 | −0.563 | 0.620 | |
Analyses show that the two groups differ only on RTs for naming (in bold). Abbreviation: OG, Older group; MMSE, Mini-Mental State Evaluation; HAD_A, Hospital Anxiety and Depression scale_Anxiety; HAD_D, Hospital Anxiety and Depression scale_Depression; TMT-A, Trail Making Test, version A; TMT-B, Trail Making Test, version B.