Table 2.
Reference values of digital measures in Code Substitution task.
| Digital measure | Age group | Men | Women | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.5% | 25% | 50% | 75% | 97.5% | 2.5% | 25% | 50% | 75% | 97.5% | ||
| ART_all | <60 (n = 338) | 1,147 | 1,525 | 1,660 | 1,912 | 2,386 | 1,193 | 1,508 | 1,661 | 1,859 | 2,335 |
| 60–69 (n = 378) | 1,370 | 1,677 | 1,898 | 2,128 | 2,692 | 1,402 | 1,720 | 1,884 | 2,151 | 2,584 | |
| ≥70 (n = 216) | 1,600 | 2,087 | 2,325 | 2,577 | 3,034 | 1,637 | 1,920 | 2,137 | 2,402 | 2,792 | |
| ART_correct | <60 | 1,147 | 1,521 | 1,674 | 1,901 | 2,377 | 1,188 | 1,512 | 1,664 | 1,855 | 2,321 |
| 60–69 | 1,376 | 1,684 | 1,893 | 2,120 | 2,571 | 1,402 | 1,714 | 1,880 | 2,136 | 2,490 | |
| ≥70 | 1,607 | 2,090 | 2,285 | 2,528 | 2,854 | 1,641 | 1,912 | 2,116 | 2,354 | 2,754 | |
| ART_test | <60 | 1,147 | 1,525 | 1,660 | 1,912 | 2,386 | 1,193 | 1,508 | 1,662 | 1,860 | 2,335 |
| 60–69 | 1,370 | 1,677 | 1,898 | 2,128 | 2,691 | 1,402 | 1,720 | 1,884 | 2,150 | 2,584 | |
| ≥70 | 1,600 | 2,086 | 2,325 | 2,577 | 3,034 | 1,637 | 1,920 | 2,137 | 2,402 | 2,792 | |
| MRT_test | <60 | 1,116 | 1,470 | 1,618 | 1,824 | 2,311 | 1,134 | 1,450 | 1,610 | 1,806 | 2,250 |
| 60–69 | 1,274 | 1,608 | 1,819 | 2,070 | 2,536 | 1,336 | 1,638 | 1,836 | 2,054 | 2,533 | |
| ≥70 | 1,568 | 1,998 | 2,269 | 2,498 | 2,968 | 1,608 | 1,843 | 2,071 | 2,294 | 2,752 | |
| SDRT_test | <60 | 187 | 300 | 398 | 487 | 673 | 227 | 314 | 382 | 472 | 673 |
| 60–69 | 249 | 348 | 429 | 525 | 680 | 240 | 346 | 463 | 545 | 706 | |
| ≥70 | 277 | 424 | 522 | 601 | 709 | 241 | 391 | 470 | 562 | 782 | |
| CE | <60 | 24 | 30 | 35 | 39 | 51 | 25 | 31 | 35 | 39 | 49 |
| 60–69 | 20 | 27 | 31 | 35 | 42 | 21 | 27 | 31 | 34 | 43 | |
| ≥70 | 17 | 22 | 25 | 28 | 36 | 17 | 24 | 27 | 30 | 36 | |
| Percent_correct | <60 | 84 | 96 | 97 | 100 | 100 | 89 | 97 | 100 | 100 | 100 |
| 60–69 | 86 | 94 | 97 | 100 | 100 | 86 | 94 | 97 | 100 | 100 | |
| ≥70 | 75 | 94 | 97 | 100 | 100 | 75 | 94 | 97 | 100 | 100 | |
| SDRT_correct | <60 | 188 | 301 | 394 | 466 | 624 | 227 | 313 | 380 | 443 | 582 |
| 60–69 | 250 | 345 | 416 | 486 | 633 | 233 | 341 | 417 | 514 | 650 | |
| ≥70 | 273 | 401 | 470 | 553 | 634 | 241 | 374 | 442 | 519 | 646 | |
ART_all, average response time for all trials (ms); ART_correct, average response time for all correct test trials (ms); SDRT_correct, standard deviation of response time for correct test trials (ms); ART_test, average response time for all test trials (ms); MRT_test, median response time for all test trials (ms); SDRT_test, standard deviation of response time for all test trials (ms); CE, cognitive efficiency value (measure of both speed and accuracy); Percent_correct, percent of trials with correct responses within allocated time.