Table 2.
Characteristics of the whole sample divided in according to no aMCI or dMCI, with aMCI, and with dMCI (standard deviations in brackets unless otherwise stated as % for categorical variables)
| No aMCI or dMCI |
aMCI |
dMCI |
P | |
|---|---|---|---|---|
| N = 517 (85.3) | N = 43 (7.1) | N = 46 (7.6) | ||
| Age, mean (±SD) | 79.2 (5.3) | 82.6 (5.9) | 81.4 (6.00) | .000 |
| Females (%) | 315 (60.9) | 15 (32.6) | 31 (67.4) | .107 |
| Caucasian (%) | 369 (71.4) | 29 (63.0) | 17 (23.0) | .000 |
| Years in education | 14.4 (3.4) | 14.0 (3.0) | 11.8 (4.2) | .000 |
| eGFR, mean (±SD) | 69.7 (18.2) | 63.4 (23.2) | 59.7 (19.3) | .000 |
| Low eGFR | 40 (7.7) | 10 (23.3) | 13 (28.3) | .000 |
| Moderate eGFR | 118 (22.8) | 11 (25.6) | 10 (21.7) | |
| High eGFR | 359 (69.4) | 22 (51.2) | 23 (50.0) | |
| Anemia (%) | 73 (14.1) | 2 (4.7) | 8 (17.4) | .223 |
| CVD morbidity (%) | 361 (69.8) | 32 (74.4) | 42 (91.3) | .008 |
| Past smokers (%) | 280 (54.5) | 22 (51.2) | 21 (45.7) | .801 |
| Current smokers (%) | 25 (8.9) | 0 | 2 (9.5) | .340 |
| BMI | 27.4 (4.8) | 26.8 (5.3) | 27.7 (4.8) | .692 |
| GDS | 2.0 (2.01) | 3.1 (2.4) | 2.0 (1.6) | .002 |
| APOE ε4 carriers (%) | 100 (22.2) | 10 (28.6) | 13 (33.3) | .202 |
Abbreviations: aMCI, amnestic mild cognitive impairment; dMCI, dysexecutive MCI; eGFR, estimated glomerular filtration rate; SD, standard deviation; CVD morbidity, cerebrovascular disease morbidity; BMI, body mass index; GDS, Geriatric Depression Scale; APOE ε4, apolipoprotein E allele e4.
NOTE. Dementia cases have been excluded.
NOTE. All percentages are column percentages. This includes the history of myocardial infarction, history of stroke, diagnosis of diabetes, and hypertension. The Pearson's Chi-square was used for categorical variables.