Table 2.
Baseline performance on neuropsychological and sensory function measures by cognitive status group.
| NIC (n=197) | SA-MCI (n=126) | MA-MCI (n=85) | |
|---|---|---|---|
| Word recall | 20.22 (3.14) | 16.61 (4.22) | 14.97 (3.86) |
| Digit symbol | 51.41 (9.64) | 44.39 (9.93) | 44.30 (8.78) |
| Letter series | 12.53 (4.03) | 9.07 (4.48) | 7.85 (4.52) |
| Controlled associations | 17.88 (5.60) | 13.14 (6.03) | 11.08 (5.19) |
| Vocabulary | 45.90 (4.21) | 42.54 (5.87) | 40.08 (7.04) |
| Olfaction | 7.19 (1.53) | 6.78 (1.76) | 6.80 (1.90) |
| Distance vision | 0.97 (0.11) | 0.96 (0.11) | 0.95 (0.13) |
| Audition | 30.31 (12.11) | 32.34 (12.61) | 31.77 (12.14) |
NIC = not impaired cognitively; SA-MCI = single assessment mild cognitive impairment reflecting cross-sectional classification or unstable classification across measurement occasions; MA-MCI = multiple assessment mild cognitive impairment reflecting stable classification observed across consecutive measurement occasions; values in parentheses are SDs.