Table 2. Demographic characteristics of the sample.
| Driving risk | |||
|---|---|---|---|
| Normal (n= 27) | High (n= 7) | Total sample | |
| Age, median (range) | 70 (65-85) | 73 (65-90) | 71 (65-90) |
| Years of education, median (range) | 12 (7-18) | 11 (8-15) | 11 (7-18) |
| Years of driving, median (range) | 44 (20-65) | 49 (34-56) | 44 (20-65) |
| Females | 9 | 3 | 12 |
| MMSE, median (range) | 28 (23-30) | 28 (21-30) | 28 (21-30) |
| Driving score, median (range) | 29 (9-44) | 61 (47-97)a | 30.5 (9-97) |
| Intersection test | 10 (2-33) | 38 (6-49) a | 14 (2-49) |
| Overtaking test | 4 (0-12) | 6 (0-36)* | 4 (0-36) |
| Rain test | 4 (0-21) | 12 (6-26)* | 6 (0-26) |
| Malfunction test | 4 (1-27) | 5 (0-18) | 4 (0-27) |
| Cognitive tests, median (range) | |||
| ACE | 90.5 (72-98) | 91 (68-94) | 91 (68-98) |
| Digit Symbol | 49 (28-89) | 33 (12-57) | 49 (12-89) |
| TDA | 75.5 (6-172) | 55 (0-124) | 69.5 (0-172) |
| TMT-A | 72 (36-115) | 81 (45-101) | 74.5 (36-115) |
| TMT-B | 135 (62-279) | 199 (95-300) | 135 (62-300) |
| RAVLT-Sum | 38 (23-57) | 33 (20-38)* | 37.5 (20-57) |
| RAVLT-Delayed recall | 7 (2-14) | 6 (0-8) | 6.5 (0-14) |
| CFT | 16.5 (3-28) | 14 (8-19) | 15.5 (3-28) |
MMSE: Mini-Mental State Examination; ACE: Addenbrooke’s Cognitive Evaluation; DS: Digit Symbol; TDA: Test of Divided Attention; TMT-A: Trail Making Test A; TMT-B: Trail Making Test B; RAVLT-Sum: Rey auditory-verbal learning test, the sum from A1 to A5 lists; RAVLT-A7: Rey auditory-verbal learning test, delayed-recall list; CFT: Category Fluency Test, Animals; *p<0.05; ap<0.001.