Table 1:
Demographics and Judgment of Line Orientation Performance (means and standard deviations)
| non-MCI (N=39) | SCI (N=15) | aMCI (N=29) | mixed/dys MCI (N=33) | Significance | |
|---|---|---|---|---|---|
| Age | 74.54 (7.09) | 77.13 (8.33) | 74.18 (5.86) | 74.67 (5.52) | ns |
| Education | 14.97 (2.81) | 15.47 (2.53) | 13.61 (2.69) | 14.90 (2.54) | ns |
| MMSE | 28.59 (1.48) | 27.20 (1.61) | 26.46 (2.35) | 27.17 (2.00) | aMCI < non-MCI; p< .001; mx/dys MCI < non-MCI; p= .02 |
| GDS | 3.23 (3.13) | 2.27 (1.83) | 3.14 (2.40) | 3.20 (2.64) | ns |
| WRAT Reading | 113.38 (16.59) | 115.13 (16.07) | 112.14 (15.10) | 108.37 (17.06) | ns |
| IADL | 15.51 (2.21) | 14.40 (2.35) | 14.66 (2.98) | 14.67 (2.70) | ns |
| JOLO parameters | |||||
| Total Correct (0–60) | 51.56 (5.79) | 50.47 (4.61) | 49.39 (6.96) | 47.37 (7.02) | mixed/dys MCI < non-MCI; p= .04 |
| Total Score (0–30) | 22.62 (5.14) | 22.00 (4.00) | 21.07 (6.09) | 19.40 (5.56) | ns |
| Correct Oblique (0–19) | 13.49 (3.52) | 12.67 (3.52) | 12.57 (3.60) | 10.67 (3.80) | mixed/dys MCI < non-MCI; p= .01 |
| Correct Non-Oblique (0–41) | 38.08 (2.99) | 37.80 (1.90) | 36.82 (4.16) | 36.70 (4.02) | ns |
| Percent Oblique Correct responses (0–19) | 75.26 (16.12) | 68.42 (15.78) | 68.88 (17.73) | 58.53 (20.17) | correct oblique responses < correct non-oblique responses, p< .001, all groups, within group t-tests |
| Percent Non-Oblique Correct responses (0–41) | 93.66 (6.09) | 92.03 (4.91) | 92.15 (8.95) | 88.98 (10.10) | |
MMSE= Mini-Mental State Examination; GDS= Geriatric Depression Scale; WRAT-IV= Wide Range Abilities Reading Subtest; IADL= Instrumental Activities if Daily Living; JOLO= Judgment of Line Orientation Test; non-MCI= non-mild cognitive impairment; SCI= subtle cognitive impairment; aMCI= amnestic mild cognitive impairment; mixed/dysMCI- mixed/ dysexecutive mild cognitive impairment.